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This commit is contained in:
Guido van Rossum 1998-09-14 16:44:15 +00:00
parent f9a6d7d494
commit 4117e5428b
22 changed files with 1634 additions and 1633 deletions
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242
Demo/cwilib/cwilib.py
View file

@ -18,22 +18,22 @@ def main():
tn = telnetlib.Telnet(host, 0)
#
try:
vt.send(tn.read_until('login: ', 10))
tn.write('cwilib\r')
#
vt.send(tn.read_until('Hit <RETURN> to continue...', 10))
tn.write('\r')
#
vt.send(tn.read_until('QUIT', 20))
vt.send(tn.read_until('login: ', 10))
tn.write('cwilib\r')
#
vt.send(tn.read_until('Hit <RETURN> to continue...', 10))
tn.write('\r')
#
vt.send(tn.read_until('QUIT', 20))
except EOFError:
sys.stderr.write('Connection closed prematurely\n')
sys.exit(1)
sys.stderr.write('Connection closed prematurely\n')
sys.exit(1)
#
define_screens(vt)
matches = vt.which_screens()
if 'menu' not in matches:
sys.stderr.write('Main menu does not appear\n')
sys.exit(1)
sys.stderr.write('Main menu does not appear\n')
sys.exit(1)
#
tn.write('\r\r')
vt.open('Progress -- CWI Library')
@ -41,109 +41,109 @@ def main():
ui = UserInterface()
#
while 1:
try:
data = tn.read_very_eager()
except EOFError:
stdwin.message('Connection closed--goodbye')
break
if data:
print 'send...'
vt.send(data)
print 'send...done'
continue
event = stdwin.pollevent()
if event:
type, window, detail = event
if window == None and type == WE_LOST_SEL:
window = ui.queryform.window
event = type, window, detail
if type == WE_CLOSE:
break
if window in ui.windows:
ui.dispatch(type, window, detail)
elif window == vt.window:
if type == WE_NULL:
pass
elif type == WE_COMMAND:
if detail == WC_RETURN:
tn.write('\r')
elif detail == WC_BACKSPACE:
tn.write('\b')
elif detail == WC_TAB:
tn.write('\t')
elif detail == WC_UP:
tn.write('\033[A')
elif detail == WC_DOWN:
tn.write('\033[B')
elif detail == WC_RIGHT:
tn.write('\033[C')
elif detail == WC_LEFT:
tn.write('\033[D')
else:
print '*** Command:', detail
elif type == WE_CHAR:
tn.write(detail)
elif type == WE_DRAW:
vt.draw(detail)
elif type in (WE_ACTIVATE, WE_DEACTIVATE):
pass
else:
print '*** VT100 event:', type, detail
else:
print '*** Alien event:', type, window, detail
continue
rfd, wfd, xfd = select.select([tn, stdwin], [], [])
try:
data = tn.read_very_eager()
except EOFError:
stdwin.message('Connection closed--goodbye')
break
if data:
print 'send...'
vt.send(data)
print 'send...done'
continue
event = stdwin.pollevent()
if event:
type, window, detail = event
if window == None and type == WE_LOST_SEL:
window = ui.queryform.window
event = type, window, detail
if type == WE_CLOSE:
break
if window in ui.windows:
ui.dispatch(type, window, detail)
elif window == vt.window:
if type == WE_NULL:
pass
elif type == WE_COMMAND:
if detail == WC_RETURN:
tn.write('\r')
elif detail == WC_BACKSPACE:
tn.write('\b')
elif detail == WC_TAB:
tn.write('\t')
elif detail == WC_UP:
tn.write('\033[A')
elif detail == WC_DOWN:
tn.write('\033[B')
elif detail == WC_RIGHT:
tn.write('\033[C')
elif detail == WC_LEFT:
tn.write('\033[D')
else:
print '*** Command:', detail
elif type == WE_CHAR:
tn.write(detail)
elif type == WE_DRAW:
vt.draw(detail)
elif type in (WE_ACTIVATE, WE_DEACTIVATE):
pass
else:
print '*** VT100 event:', type, detail
else:
print '*** Alien event:', type, window, detail
continue
rfd, wfd, xfd = select.select([tn, stdwin], [], [])
# Subroutine to define our screen recognition patterns
def define_screens(vt):
vt.define_screen('menu', {
'title': ('search', 0, 0, 80,
' SEARCH FUNCTIONS +OTHER FUNCTIONS '),
})
'title': ('search', 0, 0, 80,
' SEARCH FUNCTIONS +OTHER FUNCTIONS '),
})
vt.define_screen('search', {
'title': ('search', 0, 0, 80, ' Search '),
})
'title': ('search', 0, 0, 80, ' Search '),
})
vt.define_screen('shortlist', {'title': ('search', 0, 0, 80,
' Short-list')})
' Short-list')})
vt.define_screen('showrecord', {
'title': ('search', 0, 0, 80, ' Show record '),
})
'title': ('search', 0, 0, 80, ' Show record '),
})
vt.define_screen('timelimit', {
'limit': ('search', 12, 0, 80, ' TIME LIMIT '),
})
'limit': ('search', 12, 0, 80, ' TIME LIMIT '),
})
vt.define_screen('attention', {
'BASE': ('copy', 0, 0, 0, 'search'),
'title': ('search', 10, 0, 80, ' ATTENTION ')})
'BASE': ('copy', 0, 0, 0, 'search'),
'title': ('search', 10, 0, 80, ' ATTENTION ')})
vt.define_screen('syntaxerror', {
'BASE': ('copy', 0, 0, 0, 'attention'),
'message': ('search', 12, 0, 80, ' Syntax error'),
})
'BASE': ('copy', 0, 0, 0, 'attention'),
'message': ('search', 12, 0, 80, ' Syntax error'),
})
vt.define_screen('emptyerror', {
'BASE': ('copy', 0, 0, 0, 'attention'),
'message': ('search', 12, 0, 80,
' Check your input. Search at least one term'),
})
'BASE': ('copy', 0, 0, 0, 'attention'),
'message': ('search', 12, 0, 80,
' Check your input. Search at least one term'),
})
vt.define_screen('unsortedwarning', {
'BASE': ('copy', 0, 0, 0, 'attention'),
'message': ('search', 12, 0, 80,
' Number of records exceeds sort limit'),
})
'BASE': ('copy', 0, 0, 0, 'attention'),
'message': ('search', 12, 0, 80,
' Number of records exceeds sort limit'),
})
vt.define_screen('thereismore', {
'BASE': ('copy', 0, 0, 0, 'showrecord'),
'message': ('search', 15, 0, 80,
'There is more within this record. Use the arrow keys'),
})
'BASE': ('copy', 0, 0, 0, 'showrecord'),
'message': ('search', 15, 0, 80,
'There is more within this record. Use the arrow keys'),
})
vt.define_screen('nofurther', {
'BASE': ('copy', 0, 0, 0, 'showrecord'),
'message': ('search', 17, 0, 80, 'You cannot go further\.'),
})
'BASE': ('copy', 0, 0, 0, 'showrecord'),
'message': ('search', 17, 0, 80, 'You cannot go further\.'),
})
vt.define_screen('nofurtherback', {
'BASE': ('copy', 0, 0, 0, 'showrecord'),
'message': ('search', 17, 0, 80,
'You cannot go further back'),
})
'BASE': ('copy', 0, 0, 0, 'showrecord'),
'message': ('search', 17, 0, 80,
'You cannot go further back'),
})
# Class to implement our user interface.
@ -151,29 +151,29 @@ def define_screens(vt):
class UserInterface:
def __init__(self):
stdwin.setfont('7x14')
self.queryform = QueryForm()
self.listform = ListForm()
self.recordform = RecordForm()
self.forms = [self.queryform, self.listform, self.recordform]
define_query_fields(self.queryform)
self.windows = []
for form in self.forms:
if form.formheight > 0:
form.open()
self.windows.append(form.window)
stdwin.setfont('7x14')
self.queryform = QueryForm()
self.listform = ListForm()
self.recordform = RecordForm()
self.forms = [self.queryform, self.listform, self.recordform]
define_query_fields(self.queryform)
self.windows = []
for form in self.forms:
if form.formheight > 0:
form.open()
self.windows.append(form.window)
def __del__(self):
self.close()
self.close()
def close(self):
for form in self.forms:
form.close()
for form in self.forms:
form.close()
def dispatch(self, type, window, detail):
for form in self.forms:
if window == form.window:
form.dispatch(type, detail)
for form in self.forms:
if window == form.window:
form.dispatch(type, detail)
def define_query_fields(f):
@ -189,25 +189,25 @@ def define_query_fields(f):
class QueryForm(Form):
def __init__(self):
Form.__init__(self, 'Query form -- CWI Library')
Form.__init__(self, 'Query form -- CWI Library')
def dispatch(self, type, detail):
if type == WE_COMMAND and detail == WC_RETURN:
print '*** SUBMIT ***'
else:
Form.dispatch(self, type, detail)
if type == WE_COMMAND and detail == WC_RETURN:
print '*** SUBMIT ***'
else:
Form.dispatch(self, type, detail)
class ListForm(Form):
def __init__(self):
Form.__init__(self, 'Short list -- CWI Library')
Form.__init__(self, 'Short list -- CWI Library')
class RecordForm(Form):
def __init__(self):
Form.__init__(self, 'Record detail -- CWI Library')
Form.__init__(self, 'Record detail -- CWI Library')
main()

22
Demo/dns/asgethost.py
View file

@ -7,7 +7,7 @@ import socket
import select
def main():
server = 'cnri.reston.va.us' # How?
server = 'cnri.reston.va.us' # How?
port = 53
opcode = dnsopcode.QUERY
rd = 0
@ -15,21 +15,21 @@ def main():
qname = sys.argv[1:] and sys.argv[1] or 'www.python.org'
m = dnslib.Mpacker()
m.addHeader(0,
0, opcode, 0, 0, rd, 0, 0, 0,
1, 0, 0, 0)
0, opcode, 0, 0, rd, 0, 0, 0,
1, 0, 0, 0)
m.addQuestion(qname, qtype, dnsclass.IN)
request = m.getbuf()
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect((server, port))
s.send(request)
while 1:
r, w, x = [s], [], []
r, w, x = select.select(r, w, x, 0.333)
print r, w, x
if r:
reply = s.recv(1024)
u = dnslib.Munpacker(reply)
dnslib.dumpM(u)
break
r, w, x = [s], [], []
r, w, x = select.select(r, w, x, 0.333)
print r, w, x
if r:
reply = s.recv(1024)
u = dnslib.Munpacker(reply)
dnslib.dumpM(u)
break
main()

70
Demo/metaclasses/Eiffel.py
View file

@ -4,19 +4,19 @@ For example,
class C:
def m1(self, arg):
require arg > 0
return whatever
require arg > 0
return whatever
ensure Result > arg
can be written (clumsily, I agree) as:
class C(Eiffel):
def m1(self, arg):
return whatever
return whatever
def m1_pre(self, arg):
assert arg > 0
assert arg > 0
def m1_post(self, Result, arg):
assert Result > arg
assert Result > arg
Pre- and post-conditions for a method, being implemented as methods
themselves, are inherited independently from the method. This gives
@ -28,10 +28,10 @@ post-condition with that defined in the derived class', for example:
class D(C):
def m1(self, arg):
return whatever**2
return whatever**2
def m1_post(self, Result, arg):
C.m1_post(self, Result, arg)
assert Result < 100
C.m1_post(self, Result, arg)
assert Result < 100
This gives derived classes more freedom but also more responsibility
than in Eiffel, where the compiler automatically takes care of this.
@ -42,13 +42,13 @@ up to the derived class. For example, a derived class that takes away
the requirement that arg > 0 could write:
def m1_pre(self, arg):
pass
pass
but one could equally write a derived class that makes a stronger
requirement:
def m1_pre(self, arg):
require arg > 50
require arg > 50
It would be easy to modify the classes shown here so that pre- and
post-conditions can be disabled (separately, on a per-class basis).
@ -66,27 +66,27 @@ from Meta import MetaClass, MetaHelper, MetaMethodWrapper
class EiffelMethodWrapper(MetaMethodWrapper):
def __init__(self, func, inst):
MetaMethodWrapper.__init__(self, func, inst)
# Note that the following causes recursive wrappers around
# the pre-/post-condition testing methods. These are harmless
# but inefficient; to avoid them, the lookup must be done
# using the class.
try:
self.pre = getattr(inst, self.__name__ + "_pre")
except AttributeError:
self.pre = None
try:
self.post = getattr(inst, self.__name__ + "_post")
except AttributeError:
self.post = None
MetaMethodWrapper.__init__(self, func, inst)
# Note that the following causes recursive wrappers around
# the pre-/post-condition testing methods. These are harmless
# but inefficient; to avoid them, the lookup must be done
# using the class.
try:
self.pre = getattr(inst, self.__name__ + "_pre")
except AttributeError:
self.pre = None
try:
self.post = getattr(inst, self.__name__ + "_post")
except AttributeError:
self.post = None
def __call__(self, *args, **kw):
if self.pre:
apply(self.pre, args, kw)
Result = apply(self.func, (self.inst,) + args, kw)
if self.post:
apply(self.post, (Result,) + args, kw)
return Result
if self.pre:
apply(self.pre, args, kw)
Result = apply(self.func, (self.inst,) + args, kw)
if self.post:
apply(self.post, (Result,) + args, kw)
return Result
class EiffelHelper(MetaHelper):
__methodwrapper__ = EiffelMethodWrapper
@ -99,12 +99,12 @@ Eiffel = EiffelMetaClass('Eiffel', (), {})
def _test():
class C(Eiffel):
def m1(self, arg):
return arg+1
def m1_pre(self, arg):
assert arg > 0, "precondition for m1 failed"
def m1_post(self, Result, arg):
assert Result > arg
def m1(self, arg):
return arg+1
def m1_pre(self, arg):
assert arg > 0, "precondition for m1 failed"
def m1_post(self, Result, arg):
assert Result > arg
x = C()
x.m1(12)
## x.m1(-1)

140
Demo/metaclasses/Enum.py
View file

@ -12,9 +12,9 @@ class EnumMetaClass:
To define your own enumeration, do something like
class Color(Enum):
red = 1
green = 2
blue = 3
red = 1
green = 2
blue = 3
Now, Color.red, Color.green and Color.blue behave totally
different: they are enumerated values, not integers.
@ -25,66 +25,66 @@ class EnumMetaClass:
"""
def __init__(self, name, bases, dict):
"""Constructor -- create an enumeration.
"""Constructor -- create an enumeration.
Called at the end of the class statement. The arguments are
the name of the new class, a tuple containing the base
classes, and a dictionary containing everything that was
entered in the class' namespace during execution of the class
statement. In the above example, it would be {'red': 1,
'green': 2, 'blue': 3}.
Called at the end of the class statement. The arguments are
the name of the new class, a tuple containing the base
classes, and a dictionary containing everything that was
entered in the class' namespace during execution of the class
statement. In the above example, it would be {'red': 1,
'green': 2, 'blue': 3}.
"""
for base in bases:
if base.__class__ is not EnumMetaClass:
raise TypeError, "Enumeration base class must be enumeration"
bases = filter(lambda x: x is not Enum, bases)
self.__name__ = name
self.__bases__ = bases
self.__dict = {}
for key, value in dict.items():
self.__dict[key] = EnumInstance(name, key, value)
"""
for base in bases:
if base.__class__ is not EnumMetaClass:
raise TypeError, "Enumeration base class must be enumeration"
bases = filter(lambda x: x is not Enum, bases)
self.__name__ = name
self.__bases__ = bases
self.__dict = {}
for key, value in dict.items():
self.__dict[key] = EnumInstance(name, key, value)
def __getattr__(self, name):
"""Return an enumeration value.
"""Return an enumeration value.
For example, Color.red returns the value corresponding to red.
For example, Color.red returns the value corresponding to red.
XXX Perhaps the values should be created in the constructor?
XXX Perhaps the values should be created in the constructor?
This looks in the class dictionary and if it is not found
there asks the base classes.
This looks in the class dictionary and if it is not found
there asks the base classes.
The special attribute __members__ returns the list of names
defined in this class (it does not merge in the names defined
in base classes).
The special attribute __members__ returns the list of names
defined in this class (it does not merge in the names defined
in base classes).
"""
if name == '__members__':
return self.__dict.keys()
"""
if name == '__members__':
return self.__dict.keys()
try:
return self.__dict[name]
except KeyError:
for base in self.__bases__:
try:
return getattr(base, name)
except AttributeError:
continue
try:
return self.__dict[name]
except KeyError:
for base in self.__bases__:
try:
return getattr(base, name)
except AttributeError:
continue
raise AttributeError, name
raise AttributeError, name
def __repr__(self):
s = self.__name__
if self.__bases__:
s = s + '(' + string.join(map(lambda x: x.__name__,
self.__bases__), ", ") + ')'
if self.__dict:
list = []
for key, value in self.__dict.items():
list.append("%s: %s" % (key, int(value)))
s = "%s: {%s}" % (s, string.join(list, ", "))
return s
s = self.__name__
if self.__bases__:
s = s + '(' + string.join(map(lambda x: x.__name__,
self.__bases__), ", ") + ')'
if self.__dict:
list = []
for key, value in self.__dict.items():
list.append("%s: %s" % (key, int(value)))
s = "%s: {%s}" % (s, string.join(list, ", "))
return s
class EnumInstance:
@ -99,23 +99,23 @@ class EnumInstance:
"""
def __init__(self, classname, enumname, value):
self.__classname = classname
self.__enumname = enumname
self.__value = value
self.__classname = classname
self.__enumname = enumname
self.__value = value
def __int__(self):
return self.__value
return self.__value
def __repr__(self):
return "EnumInstance(%s, %s, %s)" % (`self.__classname`,
`self.__enumname`,
`self.__value`)
return "EnumInstance(%s, %s, %s)" % (`self.__classname`,
`self.__enumname`,
`self.__value`)
def __str__(self):
return "%s.%s" % (self.__classname, self.__enumname)
return "%s.%s" % (self.__classname, self.__enumname)
def __cmp__(self, other):
return cmp(self.__value, int(other))
return cmp(self.__value, int(other))
# Create the base class for enumerations.
@ -126,9 +126,9 @@ Enum = EnumMetaClass("Enum", (), {})
def _test():
class Color(Enum):
red = 1
green = 2
blue = 3
red = 1
green = 2
blue = 3
print Color.red
print dir(Color)
@ -139,11 +139,11 @@ def _test():
print Color.red == 2
class ExtendedColor(Color):
white = 0
orange = 4
yellow = 5
purple = 6
black = 7
white = 0
orange = 4
yellow = 5
purple = 6
black = 7
print ExtendedColor.orange
print ExtendedColor.red
@ -151,11 +151,11 @@ def _test():
print Color.red == ExtendedColor.red
class OtherColor(Enum):
white = 4
blue = 5
white = 4
blue = 5
class MergedColor(Color, OtherColor):
pass
pass
print MergedColor.red
print MergedColor.white

114
Demo/metaclasses/Meta.py
View file

@ -9,33 +9,33 @@ import types
class MetaMethodWrapper:
def __init__(self, func, inst):
self.func = func
self.inst = inst
self.__name__ = self.func.__name__
self.func = func
self.inst = inst
self.__name__ = self.func.__name__
def __call__(self, *args, **kw):
return apply(self.func, (self.inst,) + args, kw)
return apply(self.func, (self.inst,) + args, kw)
class MetaHelper:
__methodwrapper__ = MetaMethodWrapper # For derived helpers to override
def __helperinit__(self, formalclass):
self.__formalclass__ = formalclass
self.__formalclass__ = formalclass
def __getattr__(self, name):
# Invoked for any attr not in the instance's __dict__
try:
raw = self.__formalclass__.__getattr__(name)
except AttributeError:
try:
ga = self.__formalclass__.__getattr__('__usergetattr__')
except KeyError:
raise AttributeError, name
return ga(self, name)
if type(raw) != types.FunctionType:
return raw
return self.__methodwrapper__(raw, self)
# Invoked for any attr not in the instance's __dict__
try:
raw = self.__formalclass__.__getattr__(name)
except AttributeError:
try:
ga = self.__formalclass__.__getattr__('__usergetattr__')
except KeyError:
raise AttributeError, name
return ga(self, name)
if type(raw) != types.FunctionType:
return raw
return self.__methodwrapper__(raw, self)
class MetaClass:
@ -45,49 +45,49 @@ class MetaClass:
"""
__helper__ = MetaHelper # For derived metaclasses to override
__helper__ = MetaHelper # For derived metaclasses to override
__inited = 0
def __init__(self, name, bases, dict):
try:
ga = dict['__getattr__']
except KeyError:
pass
else:
dict['__usergetattr__'] = ga
del dict['__getattr__']
self.__name__ = name
self.__bases__ = bases
self.__realdict__ = dict
self.__inited = 1
try:
ga = dict['__getattr__']
except KeyError:
pass
else:
dict['__usergetattr__'] = ga
del dict['__getattr__']
self.__name__ = name
self.__bases__ = bases
self.__realdict__ = dict
self.__inited = 1
def __getattr__(self, name):
try:
return self.__realdict__[name]
except KeyError:
for base in self.__bases__:
try:
return base.__getattr__(name)
except AttributeError:
pass
raise AttributeError, name
try:
return self.__realdict__[name]
except KeyError:
for base in self.__bases__:
try:
return base.__getattr__(name)
except AttributeError:
pass
raise AttributeError, name
def __setattr__(self, name, value):
if not self.__inited:
self.__dict__[name] = value
else:
self.__realdict__[name] = value
if not self.__inited:
self.__dict__[name] = value
else:
self.__realdict__[name] = value
def __call__(self, *args, **kw):
inst = self.__helper__()
inst.__helperinit__(self)
try:
init = inst.__getattr__('__init__')
except AttributeError:
init = lambda: None
apply(init, args, kw)
return inst
inst = self.__helper__()
inst.__helperinit__(self)
try:
init = inst.__getattr__('__init__')
except AttributeError:
init = lambda: None
apply(init, args, kw)
return inst
Meta = MetaClass('Meta', (), {})
@ -95,18 +95,18 @@ Meta = MetaClass('Meta', (), {})
def _test():
class C(Meta):
def __init__(self, *args):
print "__init__, args =", args
def m1(self, x):
print "m1(x=%s)" %`x`
def __init__(self, *args):
print "__init__, args =", args
def m1(self, x):
print "m1(x=%s)" %`x`
print C
x = C()
print x
x.m1(12)
class D(C):
def __getattr__(self, name):
if name[:2] == '__': raise AttributeError, name
return "getattr:%s" % name
def __getattr__(self, name):
if name[:2] == '__': raise AttributeError, name
return "getattr:%s" % name
x = D()
print x.foo
print x._foo

268
Demo/metaclasses/Synch.py
View file

@ -40,64 +40,64 @@ class Lock:
"""
def __init__(self):
"""Constructor. Initialize all instance variables."""
self.__mutex = thread.allocate_lock()
self.__wait = thread.allocate_lock()
self.__tid = None
self.__count = 0
"""Constructor. Initialize all instance variables."""
self.__mutex = thread.allocate_lock()
self.__wait = thread.allocate_lock()
self.__tid = None
self.__count = 0
def acquire(self, flag=1):
"""Acquire the lock.
"""Acquire the lock.
If the optional flag argument is false, returns immediately
when it cannot acquire the __wait lock without blocking (it
may still block for a little while in order to acquire the
__mutex lock).
If the optional flag argument is false, returns immediately
when it cannot acquire the __wait lock without blocking (it
may still block for a little while in order to acquire the
__mutex lock).
The return value is only relevant when the flag argument is
false; it is 1 if the lock is acquired, 0 if not.
The return value is only relevant when the flag argument is
false; it is 1 if the lock is acquired, 0 if not.
"""
self.__mutex.acquire()
try:
if self.__tid == thread.get_ident():
self.__count = self.__count + 1
return 1
finally:
self.__mutex.release()
locked = self.__wait.acquire(flag)
if not flag and not locked:
return 0
try:
self.__mutex.acquire()
assert self.__tid == None
assert self.__count == 0
self.__tid = thread.get_ident()
self.__count = 1
return 1
finally:
self.__mutex.release()
"""
self.__mutex.acquire()
try:
if self.__tid == thread.get_ident():
self.__count = self.__count + 1
return 1
finally:
self.__mutex.release()
locked = self.__wait.acquire(flag)
if not flag and not locked:
return 0
try:
self.__mutex.acquire()
assert self.__tid == None
assert self.__count == 0
self.__tid = thread.get_ident()
self.__count = 1
return 1
finally:
self.__mutex.release()
def release(self):
"""Release the lock.
"""Release the lock.
If this thread doesn't currently have the lock, an assertion
error is raised.
If this thread doesn't currently have the lock, an assertion
error is raised.
Only allow another thread to acquire the lock when the count
reaches zero after decrementing it.
Only allow another thread to acquire the lock when the count
reaches zero after decrementing it.
"""
self.__mutex.acquire()
try:
assert self.__tid == thread.get_ident()
assert self.__count > 0
self.__count = self.__count - 1
if self.__count == 0:
self.__tid = None
self.__wait.release()
finally:
self.__mutex.release()
"""
self.__mutex.acquire()
try:
assert self.__tid == thread.get_ident()
assert self.__count > 0
self.__count = self.__count - 1
if self.__count == 0:
self.__tid = None
self.__wait.release()
finally:
self.__mutex.release()
def _testLock():
@ -105,23 +105,23 @@ def _testLock():
done = []
def f2(lock, done=done):
lock.acquire()
print "f2 running in thread %d\n" % thread.get_ident(),
lock.release()
done.append(1)
lock.acquire()
print "f2 running in thread %d\n" % thread.get_ident(),
lock.release()
done.append(1)
def f1(lock, f2=f2, done=done):
lock.acquire()
print "f1 running in thread %d\n" % thread.get_ident(),
try:
f2(lock)
finally:
lock.release()
done.append(1)
lock.acquire()
print "f1 running in thread %d\n" % thread.get_ident(),
try:
f2(lock)
finally:
lock.release()
done.append(1)
lock = Lock()
lock.acquire()
f1(lock) # Adds 2 to done
f1(lock) # Adds 2 to done
lock.release()
lock.acquire()
@ -134,8 +134,8 @@ def _testLock():
lock.release()
import time
while len(done) < 9:
print len(done)
time.sleep(0.001)
print len(done)
time.sleep(0.001)
print len(done)
@ -147,19 +147,19 @@ from Meta import MetaClass, MetaHelper, MetaMethodWrapper
class LockingMethodWrapper(MetaMethodWrapper):
def __call__(self, *args, **kw):
if self.__name__[:1] == '_' and self.__name__[1:] != '_':
return apply(self.func, (self.inst,) + args, kw)
self.inst.__lock__.acquire()
try:
return apply(self.func, (self.inst,) + args, kw)
finally:
self.inst.__lock__.release()
if self.__name__[:1] == '_' and self.__name__[1:] != '_':
return apply(self.func, (self.inst,) + args, kw)
self.inst.__lock__.acquire()
try:
return apply(self.func, (self.inst,) + args, kw)
finally:
self.inst.__lock__.release()
class LockingHelper(MetaHelper):
__methodwrapper__ = LockingMethodWrapper
def __helperinit__(self, formalclass):
MetaHelper.__helperinit__(self, formalclass)
self.__lock__ = Lock()
MetaHelper.__helperinit__(self, formalclass)
self.__lock__ = Lock()
class LockingMetaClass(MetaClass):
__helper__ = LockingHelper
@ -169,73 +169,73 @@ Locking = LockingMetaClass('Locking', (), {})
def _test():
# For kicks, take away the Locking base class and see it die
class Buffer(Locking):
def __init__(self, initialsize):
assert initialsize > 0
self.size = initialsize
self.buffer = [None]*self.size
self.first = self.last = 0
def put(self, item):
# Do we need to grow the buffer?
if (self.last+1) % self.size != self.first:
# Insert the new item
self.buffer[self.last] = item
self.last = (self.last+1) % self.size
return
# Double the buffer size
# First normalize it so that first==0 and last==size-1
print "buffer =", self.buffer
print "first = %d, last = %d, size = %d" % (
self.first, self.last, self.size)
if self.first <= self.last:
temp = self.buffer[self.first:self.last]
else:
temp = self.buffer[self.first:] + self.buffer[:self.last]
print "temp =", temp
self.buffer = temp + [None]*(self.size+1)
self.first = 0
self.last = self.size-1
self.size = self.size*2
print "Buffer size doubled to", self.size
print "new buffer =", self.buffer
print "first = %d, last = %d, size = %d" % (
self.first, self.last, self.size)
self.put(item) # Recursive call to test the locking
def get(self):
# Is the buffer empty?
if self.first == self.last:
raise EOFError # Avoid defining a new exception
item = self.buffer[self.first]
self.first = (self.first+1) % self.size
return item
def __init__(self, initialsize):
assert initialsize > 0
self.size = initialsize
self.buffer = [None]*self.size
self.first = self.last = 0
def put(self, item):
# Do we need to grow the buffer?
if (self.last+1) % self.size != self.first:
# Insert the new item
self.buffer[self.last] = item
self.last = (self.last+1) % self.size
return
# Double the buffer size
# First normalize it so that first==0 and last==size-1
print "buffer =", self.buffer
print "first = %d, last = %d, size = %d" % (
self.first, self.last, self.size)
if self.first <= self.last:
temp = self.buffer[self.first:self.last]
else:
temp = self.buffer[self.first:] + self.buffer[:self.last]
print "temp =", temp
self.buffer = temp + [None]*(self.size+1)
self.first = 0
self.last = self.size-1
self.size = self.size*2
print "Buffer size doubled to", self.size
print "new buffer =", self.buffer
print "first = %d, last = %d, size = %d" % (
self.first, self.last, self.size)
self.put(item) # Recursive call to test the locking
def get(self):
# Is the buffer empty?
if self.first == self.last:
raise EOFError # Avoid defining a new exception
item = self.buffer[self.first]
self.first = (self.first+1) % self.size
return item
def producer(buffer, wait, n=1000):
import time
i = 0
while i < n:
print "put", i
buffer.put(i)
i = i+1
print "Producer: done producing", n, "items"
wait.release()
import time
i = 0
while i < n:
print "put", i
buffer.put(i)
i = i+1
print "Producer: done producing", n, "items"
wait.release()
def consumer(buffer, wait, n=1000):
import time
i = 0
tout = 0.001
while i < n:
try:
x = buffer.get()
if x != i:
raise AssertionError, \
"get() returned %s, expected %s" % (x, i)
print "got", i
i = i+1
tout = 0.001
except EOFError:
time.sleep(tout)
tout = tout*2
print "Consumer: done consuming", n, "items"
wait.release()
import time
i = 0
tout = 0.001
while i < n:
try:
x = buffer.get()
if x != i:
raise AssertionError, \
"get() returned %s, expected %s" % (x, i)
print "got", i
i = i+1
tout = 0.001
except EOFError:
time.sleep(tout)
tout = tout*2
print "Consumer: done consuming", n, "items"
wait.release()
pwait = thread.allocate_lock()
pwait.acquire()

134
Demo/metaclasses/Trace.py
View file

@ -20,38 +20,38 @@ class TraceMetaClass:
__inited = 0
def __init__(self, name, bases, dict):
self.__name__ = name
self.__bases__ = bases
self.__dict = dict
# XXX Can't define __dict__, alas
self.__inited = 1
self.__name__ = name
self.__bases__ = bases
self.__dict = dict
# XXX Can't define __dict__, alas
self.__inited = 1
def __getattr__(self, name):
try:
return self.__dict[name]
except KeyError:
for base in self.__bases__:
try:
return base.__getattr__(name)
except AttributeError:
pass
raise AttributeError, name
try:
return self.__dict[name]
except KeyError:
for base in self.__bases__:
try:
return base.__getattr__(name)
except AttributeError:
pass
raise AttributeError, name
def __setattr__(self, name, value):
if not self.__inited:
self.__dict__[name] = value
else:
self.__dict[name] = value
if not self.__inited:
self.__dict__[name] = value
else:
self.__dict[name] = value
def __call__(self, *args, **kw):
inst = TracingInstance()
inst.__meta_init__(self)
try:
init = inst.__getattr__('__init__')
except AttributeError:
init = lambda: None
apply(init, args, kw)
return inst
inst = TracingInstance()
inst.__meta_init__(self)
try:
init = inst.__getattr__('__init__')
except AttributeError:
init = lambda: None
apply(init, args, kw)
return inst
__trace_output__ = None
@ -59,52 +59,52 @@ class TracingInstance:
"""Helper class to represent an instance of a tracing class."""
def __trace_call__(self, fp, fmt, *args):
fp.write((fmt+'\n') % args)
fp.write((fmt+'\n') % args)
def __meta_init__(self, klass):
self.__class = klass
self.__class = klass
def __getattr__(self, name):
# Invoked for any attr not in the instance's __dict__
try:
raw = self.__class.__getattr__(name)
except AttributeError:
raise AttributeError, name
if type(raw) != types.FunctionType:
return raw
# It's a function
fullname = self.__class.__name__ + "." + name
if not self.__trace_output__ or name == '__trace_call__':
return NotTracingWrapper(fullname, raw, self)
else:
return TracingWrapper(fullname, raw, self)
# Invoked for any attr not in the instance's __dict__
try:
raw = self.__class.__getattr__(name)
except AttributeError:
raise AttributeError, name
if type(raw) != types.FunctionType:
return raw
# It's a function
fullname = self.__class.__name__ + "." + name
if not self.__trace_output__ or name == '__trace_call__':
return NotTracingWrapper(fullname, raw, self)
else:
return TracingWrapper(fullname, raw, self)
class NotTracingWrapper:
def __init__(self, name, func, inst):
self.__name__ = name
self.func = func
self.inst = inst
self.__name__ = name
self.func = func
self.inst = inst
def __call__(self, *args, **kw):
return apply(self.func, (self.inst,) + args, kw)
return apply(self.func, (self.inst,) + args, kw)
class TracingWrapper(NotTracingWrapper):
def __call__(self, *args, **kw):
self.inst.__trace_call__(self.inst.__trace_output__,
"calling %s, inst=%s, args=%s, kw=%s",
self.__name__, self.inst, args, kw)
try:
rv = apply(self.func, (self.inst,) + args, kw)
except:
t, v, tb = sys.exc_info()
self.inst.__trace_call__(self.inst.__trace_output__,
"returning from %s with exception %s: %s",
self.__name__, t, v)
raise t, v, tb
else:
self.inst.__trace_call__(self.inst.__trace_output__,
"returning from %s with value %s",
self.__name__, rv)
return rv
self.inst.__trace_call__(self.inst.__trace_output__,
"calling %s, inst=%s, args=%s, kw=%s",
self.__name__, self.inst, args, kw)
try:
rv = apply(self.func, (self.inst,) + args, kw)
except:
t, v, tb = sys.exc_info()
self.inst.__trace_call__(self.inst.__trace_output__,
"returning from %s with exception %s: %s",
self.__name__, t, v)
raise t, v, tb
else:
self.inst.__trace_call__(self.inst.__trace_output__,
"returning from %s with value %s",
self.__name__, rv)
return rv
Traced = TraceMetaClass('Traced', (), {'__trace_output__': None})
@ -112,13 +112,13 @@ Traced = TraceMetaClass('Traced', (), {'__trace_output__': None})
def _test():
global C, D
class C(Traced):
def __init__(self, x=0): self.x = x
def m1(self, x): self.x = x
def m2(self, y): return self.x + y
__trace_output__ = sys.stdout
def __init__(self, x=0): self.x = x
def m1(self, x): self.x = x
def m2(self, y): return self.x + y
__trace_output__ = sys.stdout
class D(C):
def m2(self, y): print "D.m2(%s)" % `y`; return C.m2(self, y)
__trace_output__ = None
def m2(self, y): print "D.m2(%s)" % `y`; return C.m2(self, y)
__trace_output__ = None
x = C(4321)
print x
print x.x

146
Demo/parser/example.py
View file

@ -14,7 +14,7 @@ def get_docs(fileName):
"""Retrieve information from the parse tree of a source file.
fileName
Name of the file to read Python source code from.
Name of the file to read Python source code from.
"""
source = open(fileName).read()
import os
@ -30,86 +30,86 @@ class SuiteInfoBase:
_name = ''
def __init__(self, tree = None):
self._class_info = {}
self._function_info = {}
if tree:
self._extract_info(tree)
self._class_info = {}
self._function_info = {}
if tree:
self._extract_info(tree)
def _extract_info(self, tree):
# extract docstring
if len(tree) == 2:
found, vars = match(DOCSTRING_STMT_PATTERN[1], tree[1])
else:
found, vars = match(DOCSTRING_STMT_PATTERN, tree[3])
if found:
self._docstring = eval(vars['docstring'])
# discover inner definitions
for node in tree[1:]:
found, vars = match(COMPOUND_STMT_PATTERN, node)
if found:
cstmt = vars['compound']
if cstmt[0] == symbol.funcdef:
name = cstmt[2][1]
self._function_info[name] = FunctionInfo(cstmt)
elif cstmt[0] == symbol.classdef:
name = cstmt[2][1]
self._class_info[name] = ClassInfo(cstmt)
# extract docstring
if len(tree) == 2:
found, vars = match(DOCSTRING_STMT_PATTERN[1], tree[1])
else:
found, vars = match(DOCSTRING_STMT_PATTERN, tree[3])
if found:
self._docstring = eval(vars['docstring'])
# discover inner definitions
for node in tree[1:]:
found, vars = match(COMPOUND_STMT_PATTERN, node)
if found:
cstmt = vars['compound']
if cstmt[0] == symbol.funcdef:
name = cstmt[2][1]
self._function_info[name] = FunctionInfo(cstmt)
elif cstmt[0] == symbol.classdef:
name = cstmt[2][1]
self._class_info[name] = ClassInfo(cstmt)
def get_docstring(self):
return self._docstring
return self._docstring
def get_name(self):
return self._name
return self._name
def get_class_names(self):
return self._class_info.keys()
return self._class_info.keys()
def get_class_info(self, name):
return self._class_info[name]
return self._class_info[name]
def __getitem__(self, name):
try:
return self._class_info[name]
except KeyError:
return self._function_info[name]
try:
return self._class_info[name]
except KeyError:
return self._function_info[name]
class SuiteFuncInfo:
# Mixin class providing access to function names and info.
def get_function_names(self):
return self._function_info.keys()
return self._function_info.keys()
def get_function_info(self, name):
return self._function_info[name]
return self._function_info[name]
class FunctionInfo(SuiteInfoBase, SuiteFuncInfo):
def __init__(self, tree = None):
self._name = tree[2][1]
SuiteInfoBase.__init__(self, tree and tree[-1] or None)
self._name = tree[2][1]
SuiteInfoBase.__init__(self, tree and tree[-1] or None)
class ClassInfo(SuiteInfoBase):
def __init__(self, tree = None):
self._name = tree[2][1]
SuiteInfoBase.__init__(self, tree and tree[-1] or None)
self._name = tree[2][1]
SuiteInfoBase.__init__(self, tree and tree[-1] or None)
def get_method_names(self):
return self._function_info.keys()
return self._function_info.keys()
def get_method_info(self, name):
return self._function_info[name]
return self._function_info[name]
class ModuleInfo(SuiteInfoBase, SuiteFuncInfo):
def __init__(self, tree = None, name = "<string>"):
self._name = name
SuiteInfoBase.__init__(self, tree)
if tree:
found, vars = match(DOCSTRING_STMT_PATTERN, tree[1])
if found:
self._docstring = vars["docstring"]
self._name = name
SuiteInfoBase.__init__(self, tree)
if tree:
found, vars = match(DOCSTRING_STMT_PATTERN, tree[1])
if found:
self._docstring = vars["docstring"]
from types import ListType, TupleType
@ -118,14 +118,14 @@ def match(pattern, data, vars=None):
"""Match `data' to `pattern', with variable extraction.
pattern
Pattern to match against, possibly containing variables.
Pattern to match against, possibly containing variables.
data
Data to be checked and against which variables are extracted.
Data to be checked and against which variables are extracted.
vars
Dictionary of variables which have already been found. If not
provided, an empty dictionary is created.
Dictionary of variables which have already been found. If not
provided, an empty dictionary is created.
The `pattern' value may contain variables of the form ['varname'] which
are allowed to match anything. The value that is matched is returned as
@ -138,18 +138,18 @@ def match(pattern, data, vars=None):
values.
"""
if vars is None:
vars = {}
if type(pattern) is ListType: # 'variables' are ['varname']
vars[pattern[0]] = data
return 1, vars
vars = {}
if type(pattern) is ListType: # 'variables' are ['varname']
vars[pattern[0]] = data
return 1, vars
if type(pattern) is not TupleType:
return (pattern == data), vars
return (pattern == data), vars
if len(data) != len(pattern):
return 0, vars
return 0, vars
for pattern, data in map(None, pattern, data):
same, vars = match(pattern, data, vars)
if not same:
break
same, vars = match(pattern, data, vars)
if not same:
break
return same, vars
@ -172,21 +172,21 @@ DOCSTRING_STMT_PATTERN = (
(symbol.small_stmt,
(symbol.expr_stmt,
(symbol.testlist,
(symbol.test,
(symbol.and_test,
(symbol.not_test,
(symbol.comparison,
(symbol.expr,
(symbol.xor_expr,
(symbol.and_expr,
(symbol.shift_expr,
(symbol.arith_expr,
(symbol.term,
(symbol.factor,
(symbol.power,
(symbol.atom,
(token.STRING, ['docstring'])
)))))))))))))))),
(symbol.test,
(symbol.and_test,
(symbol.not_test,
(symbol.comparison,
(symbol.expr,
(symbol.xor_expr,
(symbol.and_expr,
(symbol.shift_expr,
(symbol.arith_expr,
(symbol.term,
(symbol.factor,
(symbol.power,
(symbol.atom,
(token.STRING, ['docstring'])
)))))))))))))))),
(token.NEWLINE, '')
))

18
Demo/parser/source.py
View file

@ -9,18 +9,18 @@ class Simple:
"This class does very little."
def method(self):
"This method does almost nothing."
return 1
"This method does almost nothing."
return 1
class Nested:
"This is a nested class."
"This is a nested class."
def nested_method(self):
"Method of Nested class."
def nested_function():
"Function in method of Nested class."
pass
return nested_function
def nested_method(self):
"Method of Nested class."
def nested_function():
"Function in method of Nested class."
pass
return nested_function
def function():
"This function lives at the module level."

36
Demo/parser/test_parser.py
View file

@ -11,24 +11,24 @@ def testChunk(t, fileName):
global _numFailed
print '----', fileName,
try:
ast = parser.suite(t)
tup = parser.ast2tuple(ast)
# this discards the first AST; a huge memory savings when running
# against a large source file like Tkinter.py.
ast = None
new = parser.tuple2ast(tup)
ast = parser.suite(t)
tup = parser.ast2tuple(ast)
# this discards the first AST; a huge memory savings when running
# against a large source file like Tkinter.py.
ast = None
new = parser.tuple2ast(tup)
except parser.ParserError, err:
print
print 'parser module raised exception on input file', fileName + ':'
traceback.print_exc()
_numFailed = _numFailed + 1
print
print 'parser module raised exception on input file', fileName + ':'
traceback.print_exc()
_numFailed = _numFailed + 1
else:
if tup != parser.ast2tuple(new):
print
print 'parser module failed on input file', fileName
_numFailed = _numFailed + 1
else:
print 'o.k.'
if tup != parser.ast2tuple(new):
print
print 'parser module failed on input file', fileName
_numFailed = _numFailed + 1
else:
print 'o.k.'
def testFile(fileName):
t = open(fileName).read()
@ -38,8 +38,8 @@ def test():
import sys
args = sys.argv[1:]
if not args:
import glob
args = glob.glob("*.py")
import glob
args = glob.glob("*.py")
map(testFile, args)
sys.exit(_numFailed != 0)

178
Demo/pdist/RCSProxy.py
View file

@ -31,147 +31,147 @@ import rcslib
class DirSupport:
def __init__(self):
self._dirstack = []
self._dirstack = []
def __del__(self):
self._close()
self._close()
def _close(self):
while self._dirstack:
self.back()
while self._dirstack:
self.back()
def pwd(self):
return os.getcwd()
return os.getcwd()
def cd(self, name):
save = os.getcwd()
os.chdir(name)
self._dirstack.append(save)
save = os.getcwd()
os.chdir(name)
self._dirstack.append(save)
def back(self):
if not self._dirstack:
raise os.error, "empty directory stack"
dir = self._dirstack[-1]
os.chdir(dir)
del self._dirstack[-1]
if not self._dirstack:
raise os.error, "empty directory stack"
dir = self._dirstack[-1]
os.chdir(dir)
del self._dirstack[-1]
def listsubdirs(self, pat = None):
files = os.listdir(os.curdir)
files = filter(os.path.isdir, files)
return self._filter(files, pat)
files = os.listdir(os.curdir)
files = filter(os.path.isdir, files)
return self._filter(files, pat)
def isdir(self, name):
return os.path.isdir(name)
return os.path.isdir(name)
def mkdir(self, name):
os.mkdir(name, 0777)
os.mkdir(name, 0777)
def rmdir(self, name):
os.rmdir(name)
os.rmdir(name)
class RCSProxyLocal(rcslib.RCS, DirSupport):
def __init__(self):
rcslib.RCS.__init__(self)
DirSupport.__init__(self)
rcslib.RCS.__init__(self)
DirSupport.__init__(self)
def __del__(self):
DirSupport.__del__(self)
rcslib.RCS.__del__(self)
DirSupport.__del__(self)
rcslib.RCS.__del__(self)
def sumlist(self, list = None):
return self._list(self.sum, list)
return self._list(self.sum, list)
def sumdict(self, list = None):
return self._dict(self.sum, list)
return self._dict(self.sum, list)
def sum(self, name_rev):
f = self._open(name_rev)
BUFFERSIZE = 1024*8
sum = md5.new()
while 1:
buffer = f.read(BUFFERSIZE)
if not buffer:
break
sum.update(buffer)
self._closepipe(f)
return sum.digest()
f = self._open(name_rev)
BUFFERSIZE = 1024*8
sum = md5.new()
while 1:
buffer = f.read(BUFFERSIZE)
if not buffer:
break
sum.update(buffer)
self._closepipe(f)
return sum.digest()
def get(self, name_rev):
f = self._open(name_rev)
data = f.read()
self._closepipe(f)
return data
f = self._open(name_rev)
data = f.read()
self._closepipe(f)
return data
def put(self, name_rev, data, message=None):
name, rev = self._unmangle(name_rev)
f = open(name, 'w')
f.write(data)
f.close()
self.checkin(name_rev, message)
self._remove(name)
name, rev = self._unmangle(name_rev)
f = open(name, 'w')
f.write(data)
f.close()
self.checkin(name_rev, message)
self._remove(name)
def _list(self, function, list = None):
"""INTERNAL: apply FUNCTION to all files in LIST.
"""INTERNAL: apply FUNCTION to all files in LIST.
Return a list of the results.
Return a list of the results.
The list defaults to all files in the directory if None.
The list defaults to all files in the directory if None.
"""
if list is None:
list = self.listfiles()
res = []
for name in list:
try:
res.append((name, function(name)))
except (os.error, IOError):
res.append((name, None))
return res
"""
if list is None:
list = self.listfiles()
res = []
for name in list:
try:
res.append((name, function(name)))
except (os.error, IOError):
res.append((name, None))
return res
def _dict(self, function, list = None):
"""INTERNAL: apply FUNCTION to all files in LIST.
"""INTERNAL: apply FUNCTION to all files in LIST.
Return a dictionary mapping files to results.
Return a dictionary mapping files to results.
The list defaults to all files in the directory if None.
The list defaults to all files in the directory if None.
"""
if list is None:
list = self.listfiles()
dict = {}
for name in list:
try:
dict[name] = function(name)
except (os.error, IOError):
pass
return dict
"""
if list is None:
list = self.listfiles()
dict = {}
for name in list:
try:
dict[name] = function(name)
except (os.error, IOError):
pass
return dict
class RCSProxyServer(RCSProxyLocal, server.SecureServer):
def __init__(self, address, verbose = server.VERBOSE):
RCSProxyLocal.__init__(self)
server.SecureServer.__init__(self, address, verbose)
RCSProxyLocal.__init__(self)
server.SecureServer.__init__(self, address, verbose)
def _close(self):
server.SecureServer._close(self)
RCSProxyLocal._close(self)
server.SecureServer._close(self)
RCSProxyLocal._close(self)
def _serve(self):
server.SecureServer._serve(self)
# Retreat into start directory
while self._dirstack: self.back()
server.SecureServer._serve(self)
# Retreat into start directory
while self._dirstack: self.back()
def test_server():
import string
import sys
if sys.argv[1:]:
port = string.atoi(sys.argv[1])
port = string.atoi(sys.argv[1])
else:
port = 4127
port = 4127
proxy = RCSProxyServer(('', port))
proxy._serverloop()
@ -179,19 +179,19 @@ def test_server():
def test():
import sys
if not sys.argv[1:] or sys.argv[1] and sys.argv[1][0] in '0123456789':
test_server()
sys.exit(0)
test_server()
sys.exit(0)
proxy = RCSProxyLocal()
what = sys.argv[1]
if hasattr(proxy, what):
attr = getattr(proxy, what)
if callable(attr):
print apply(attr, tuple(sys.argv[2:]))
else:
print `attr`
attr = getattr(proxy, what)
if callable(attr):
print apply(attr, tuple(sys.argv[2:]))
else:
print `attr`
else:
print "%s: no such attribute" % what
sys.exit(2)
print "%s: no such attribute" % what
sys.exit(2)
if __name__ == '__main__':

110
Demo/pdist/makechangelog.py
View file

@ -15,25 +15,25 @@ def main():
opts, args = getopt.getopt(args, 'p:')
prefix = ''
for o, a in opts:
if p == '-p': prefix = a
if p == '-p': prefix = a
f = sys.stdin
allrevs = []
while 1:
file = getnextfile(f)
if not file: break
revs = []
while 1:
rev = getnextrev(f, file)
if not rev:
break
revs.append(rev)
if revs:
allrevs[len(allrevs):] = revs
file = getnextfile(f)
if not file: break
revs = []
while 1:
rev = getnextrev(f, file)
if not rev:
break
revs.append(rev)
if revs:
allrevs[len(allrevs):] = revs
allrevs.sort()
allrevs.reverse()
for rev in allrevs:
formatrev(rev, prefix)
formatrev(rev, prefix)
parsedateprog = regex.compile(
'^date: \([0-9]+\)/\([0-9]+\)/\([0-9]+\) ' +
@ -48,46 +48,46 @@ authormap = {
def formatrev(rev, prefix):
dateline, file, revline, log = rev
if parsedateprog.match(dateline) >= 0:
fields = parsedateprog.group(1, 2, 3, 4, 5, 6)
author = parsedateprog.group(7)
if authormap.has_key(author): author = authormap[author]
tfields = map(string.atoi, fields) + [0, 0, 0]
tfields[5] = tfields[5] - time.timezone
t = time.mktime(tuple(tfields))
print time.ctime(t), '', author
words = string.split(log)
words[:0] = ['*', prefix + file + ':']
maxcol = 72-8
col = maxcol
for word in words:
if col > 0 and col + len(word) >= maxcol:
print
print '\t' + word,
col = -1
else:
print word,
col = col + 1 + len(word)
print
print
fields = parsedateprog.group(1, 2, 3, 4, 5, 6)
author = parsedateprog.group(7)
if authormap.has_key(author): author = authormap[author]
tfields = map(string.atoi, fields) + [0, 0, 0]
tfields[5] = tfields[5] - time.timezone
t = time.mktime(tuple(tfields))
print time.ctime(t), '', author
words = string.split(log)
words[:0] = ['*', prefix + file + ':']
maxcol = 72-8
col = maxcol
for word in words:
if col > 0 and col + len(word) >= maxcol:
print
print '\t' + word,
col = -1
else:
print word,
col = col + 1 + len(word)
print
print
startprog = regex.compile("^Working file: \(.*\)$")
def getnextfile(f):
while 1:
line = f.readline()
if not line: return None
if startprog.match(line) >= 0:
file = startprog.group(1)
# Skip until first revision
while 1:
line = f.readline()
if not line: return None
if line[:10] == '='*10: return None
if line[:10] == '-'*10: break
## print "Skipped", line,
return file
## else:
## print "Ignored", line,
line = f.readline()
if not line: return None
if startprog.match(line) >= 0:
file = startprog.group(1)
# Skip until first revision
while 1:
line = f.readline()
if not line: return None
if line[:10] == '='*10: return None
if line[:10] == '-'*10: break
## print "Skipped", line,
return file
## else:
## print "Ignored", line,
def getnextrev(f, file):
# This is called when we are positioned just after a '---' separator
@ -95,14 +95,14 @@ def getnextrev(f, file):
dateline = f.readline()
log = ''
while 1:
line = f.readline()
if not line: break
if line[:10] == '='*10:
# Ignore the *last* log entry for each file since it
# is the revision since which we are logging.
return None
if line[:10] == '-'*10: break
log = log + line
line = f.readline()
if not line: break
if line[:10] == '='*10:
# Ignore the *last* log entry for each file since it
# is the revision since which we are logging.
return None
if line[:10] == '-'*10: break
log = log + line
return dateline, file, revline, log
if __name__ == '__main__':

4
Demo/pdist/rcsclient.py
View file

@ -22,8 +22,8 @@ import client
class RCSProxyClient(client.SecureClient):
def __init__(self, address, verbose = client.VERBOSE):
client.SecureClient.__init__(self, address, verbose)
def __init__(self, address, verbose = client.VERBOSE):
client.SecureClient.__init__(self, address, verbose)
def openrcsclient(opts = []):

434
Demo/pdist/rcslib.py
View file

@ -36,304 +36,304 @@ class RCS:
okchars = string.letters + string.digits + '-_=+.'
def __init__(self):
"""Constructor."""
pass
"""Constructor."""
pass
def __del__(self):
"""Destructor."""
pass
"""Destructor."""
pass
# --- Informational methods about a single file/revision ---
def log(self, name_rev, otherflags = ''):
"""Return the full log text for NAME_REV as a string.
"""Return the full log text for NAME_REV as a string.
Optional OTHERFLAGS are passed to rlog.
Optional OTHERFLAGS are passed to rlog.
"""
f = self._open(name_rev, 'rlog ' + otherflags)
data = f.read()
status = self._closepipe(f)
if status:
data = data + "%s: %s" % status
elif data[-1] == '\n':
data = data[:-1]
return data
"""
f = self._open(name_rev, 'rlog ' + otherflags)
data = f.read()
status = self._closepipe(f)
if status:
data = data + "%s: %s" % status
elif data[-1] == '\n':
data = data[:-1]
return data
def head(self, name_rev):
"""Return the head revision for NAME_REV"""
dict = self.info(name_rev)
return dict['head']
"""Return the head revision for NAME_REV"""
dict = self.info(name_rev)
return dict['head']
def info(self, name_rev):
"""Return a dictionary of info (from rlog -h) for NAME_REV
"""Return a dictionary of info (from rlog -h) for NAME_REV
The dictionary's keys are the keywords that rlog prints
(e.g. 'head' and its values are the corresponding data
(e.g. '1.3').
The dictionary's keys are the keywords that rlog prints
(e.g. 'head' and its values are the corresponding data
(e.g. '1.3').
XXX symbolic names and locks are not returned
XXX symbolic names and locks are not returned
"""
f = self._open(name_rev, 'rlog -h')
dict = {}
while 1:
line = f.readline()
if not line: break
if line[0] == '\t':
# XXX could be a lock or symbolic name
# Anything else?
continue
i = string.find(line, ':')
if i > 0:
key, value = line[:i], string.strip(line[i+1:])
dict[key] = value
status = self._closepipe(f)
if status:
raise IOError, status
return dict
"""
f = self._open(name_rev, 'rlog -h')
dict = {}
while 1:
line = f.readline()
if not line: break
if line[0] == '\t':
# XXX could be a lock or symbolic name
# Anything else?
continue
i = string.find(line, ':')
if i > 0:
key, value = line[:i], string.strip(line[i+1:])
dict[key] = value
status = self._closepipe(f)
if status:
raise IOError, status
return dict
# --- Methods that change files ---
def lock(self, name_rev):
"""Set an rcs lock on NAME_REV."""
name, rev = self.checkfile(name_rev)
cmd = "rcs -l%s %s" % (rev, name)
return self._system(cmd)
"""Set an rcs lock on NAME_REV."""
name, rev = self.checkfile(name_rev)
cmd = "rcs -l%s %s" % (rev, name)
return self._system(cmd)
def unlock(self, name_rev):
"""Clear an rcs lock on NAME_REV."""
name, rev = self.checkfile(name_rev)
cmd = "rcs -u%s %s" % (rev, name)
return self._system(cmd)
"""Clear an rcs lock on NAME_REV."""
name, rev = self.checkfile(name_rev)
cmd = "rcs -u%s %s" % (rev, name)
return self._system(cmd)
def checkout(self, name_rev, withlock=0, otherflags=""):
"""Check out NAME_REV to its work file.
"""Check out NAME_REV to its work file.
If optional WITHLOCK is set, check out locked, else unlocked.
If optional WITHLOCK is set, check out locked, else unlocked.
The optional OTHERFLAGS is passed to co without
interpretation.
The optional OTHERFLAGS is passed to co without
interpretation.
Any output from co goes to directly to stdout.
Any output from co goes to directly to stdout.
"""
name, rev = self.checkfile(name_rev)
if withlock: lockflag = "-l"
else: lockflag = "-u"
cmd = 'co %s%s %s %s' % (lockflag, rev, otherflags, name)
return self._system(cmd)
"""
name, rev = self.checkfile(name_rev)
if withlock: lockflag = "-l"
else: lockflag = "-u"
cmd = 'co %s%s %s %s' % (lockflag, rev, otherflags, name)
return self._system(cmd)
def checkin(self, name_rev, message=None, otherflags=""):
"""Check in NAME_REV from its work file.
"""Check in NAME_REV from its work file.
The optional MESSAGE argument becomes the checkin message
(default "<none>" if None); or the file description if this is
a new file.
The optional MESSAGE argument becomes the checkin message
(default "<none>" if None); or the file description if this is
a new file.
The optional OTHERFLAGS argument is passed to ci without
interpretation.
The optional OTHERFLAGS argument is passed to ci without
interpretation.
Any output from ci goes to directly to stdout.
Any output from ci goes to directly to stdout.
"""
name, rev = self._unmangle(name_rev)
new = not self.isvalid(name)
if not message: message = "<none>"
if message and message[-1] != '\n':
message = message + '\n'
lockflag = "-u"
textfile = None
try:
if new:
textfile = tempfile.mktemp()
f = open(textfile, 'w')
f.write(message)
f.close()
cmd = 'ci %s%s -t%s %s %s' % \
(lockflag, rev, textfile, otherflags, name)
else:
message = regsub.gsub('\([\\"$`]\)', '\\\\\\1', message)
cmd = 'ci %s%s -m"%s" %s %s' % \
(lockflag, rev, message, otherflags, name)
return self._system(cmd)
finally:
if textfile: self._remove(textfile)
"""
name, rev = self._unmangle(name_rev)
new = not self.isvalid(name)
if not message: message = "<none>"
if message and message[-1] != '\n':
message = message + '\n'
lockflag = "-u"
textfile = None
try:
if new:
textfile = tempfile.mktemp()
f = open(textfile, 'w')
f.write(message)
f.close()
cmd = 'ci %s%s -t%s %s %s' % \
(lockflag, rev, textfile, otherflags, name)
else:
message = regsub.gsub('\([\\"$`]\)', '\\\\\\1', message)
cmd = 'ci %s%s -m"%s" %s %s' % \
(lockflag, rev, message, otherflags, name)
return self._system(cmd)
finally:
if textfile: self._remove(textfile)
# --- Exported support methods ---
def listfiles(self, pat = None):
"""Return a list of all version files matching optional PATTERN."""
files = os.listdir(os.curdir)
files = filter(self._isrcs, files)
if os.path.isdir('RCS'):
files2 = os.listdir('RCS')
files2 = filter(self._isrcs, files2)
files = files + files2
files = map(self.realname, files)
return self._filter(files, pat)
"""Return a list of all version files matching optional PATTERN."""
files = os.listdir(os.curdir)
files = filter(self._isrcs, files)
if os.path.isdir('RCS'):
files2 = os.listdir('RCS')
files2 = filter(self._isrcs, files2)
files = files + files2
files = map(self.realname, files)
return self._filter(files, pat)
def isvalid(self, name):
"""Test whether NAME has a version file associated."""
namev = self.rcsname(name)
return (os.path.isfile(namev) or
os.path.isfile(os.path.join('RCS', namev)))
"""Test whether NAME has a version file associated."""
namev = self.rcsname(name)
return (os.path.isfile(namev) or
os.path.isfile(os.path.join('RCS', namev)))
def rcsname(self, name):
"""Return the pathname of the version file for NAME.
"""Return the pathname of the version file for NAME.
The argument can be a work file name or a version file name.
If the version file does not exist, the name of the version
file that would be created by "ci" is returned.
The argument can be a work file name or a version file name.
If the version file does not exist, the name of the version
file that would be created by "ci" is returned.
"""
if self._isrcs(name): namev = name
else: namev = name + ',v'
if os.path.isfile(namev): return namev
namev = os.path.join('RCS', os.path.basename(namev))
if os.path.isfile(namev): return namev
if os.path.isdir('RCS'):
return os.path.join('RCS', namev)
else:
return namev
"""
if self._isrcs(name): namev = name
else: namev = name + ',v'
if os.path.isfile(namev): return namev
namev = os.path.join('RCS', os.path.basename(namev))
if os.path.isfile(namev): return namev
if os.path.isdir('RCS'):
return os.path.join('RCS', namev)
else:
return namev
def realname(self, namev):
"""Return the pathname of the work file for NAME.
"""Return the pathname of the work file for NAME.
The argument can be a work file name or a version file name.
If the work file does not exist, the name of the work file
that would be created by "co" is returned.
The argument can be a work file name or a version file name.
If the work file does not exist, the name of the work file
that would be created by "co" is returned.
"""
if self._isrcs(namev): name = namev[:-2]
else: name = namev
if os.path.isfile(name): return name
name = os.path.basename(name)
return name
"""
if self._isrcs(namev): name = namev[:-2]
else: name = namev
if os.path.isfile(name): return name
name = os.path.basename(name)
return name
def islocked(self, name_rev):
"""Test whether FILE (which must have a version file) is locked.
"""Test whether FILE (which must have a version file) is locked.
XXX This does not tell you which revision number is locked and
ignores any revision you may pass in (by virtue of using rlog
-L -R).
XXX This does not tell you which revision number is locked and
ignores any revision you may pass in (by virtue of using rlog
-L -R).
"""
f = self._open(name_rev, 'rlog -L -R')
line = f.readline()
status = self._closepipe(f)
if status:
raise IOError, status
if not line: return None
if line[-1] == '\n':
line = line[:-1]
return self.realname(name_rev) == self.realname(line)
"""
f = self._open(name_rev, 'rlog -L -R')
line = f.readline()
status = self._closepipe(f)
if status:
raise IOError, status
if not line: return None
if line[-1] == '\n':
line = line[:-1]
return self.realname(name_rev) == self.realname(line)
def checkfile(self, name_rev):
"""Normalize NAME_REV into a (NAME, REV) tuple.
"""Normalize NAME_REV into a (NAME, REV) tuple.
Raise an exception if there is no corresponding version file.
Raise an exception if there is no corresponding version file.
"""
name, rev = self._unmangle(name_rev)
if not self.isvalid(name):
raise os.error, 'not an rcs file %s' % `name`
return name, rev
"""
name, rev = self._unmangle(name_rev)
if not self.isvalid(name):
raise os.error, 'not an rcs file %s' % `name`
return name, rev
# --- Internal methods ---
def _open(self, name_rev, cmd = 'co -p', rflag = '-r'):
"""INTERNAL: open a read pipe to NAME_REV using optional COMMAND.
"""INTERNAL: open a read pipe to NAME_REV using optional COMMAND.
Optional FLAG is used to indicate the revision (default -r).
Optional FLAG is used to indicate the revision (default -r).
Default COMMAND is "co -p".
Default COMMAND is "co -p".
Return a file object connected by a pipe to the command's
output.
Return a file object connected by a pipe to the command's
output.
"""
name, rev = self.checkfile(name_rev)
namev = self.rcsname(name)
if rev:
cmd = cmd + ' ' + rflag + rev
return os.popen("%s %s" % (cmd, `namev`))
"""
name, rev = self.checkfile(name_rev)
namev = self.rcsname(name)
if rev:
cmd = cmd + ' ' + rflag + rev
return os.popen("%s %s" % (cmd, `namev`))
def _unmangle(self, name_rev):
"""INTERNAL: Normalize NAME_REV argument to (NAME, REV) tuple.
"""INTERNAL: Normalize NAME_REV argument to (NAME, REV) tuple.
Raise an exception if NAME contains invalid characters.
Raise an exception if NAME contains invalid characters.
A NAME_REV argument is either NAME string (implying REV='') or
a tuple of the form (NAME, REV).
A NAME_REV argument is either NAME string (implying REV='') or
a tuple of the form (NAME, REV).
"""
if type(name_rev) == type(''):
name_rev = name, rev = name_rev, ''
else:
name, rev = name_rev
for c in rev:
if c not in self.okchars:
raise ValueError, "bad char in rev"
return name_rev
"""
if type(name_rev) == type(''):
name_rev = name, rev = name_rev, ''
else:
name, rev = name_rev
for c in rev:
if c not in self.okchars:
raise ValueError, "bad char in rev"
return name_rev
def _closepipe(self, f):
"""INTERNAL: Close PIPE and print its exit status if nonzero."""
sts = f.close()
if not sts: return None
detail, reason = divmod(sts, 256)
if reason == 0: return 'exit', detail # Exit status
signal = reason&0x7F
if signal == 0x7F:
code = 'stopped'
signal = detail
else:
code = 'killed'
if reason&0x80:
code = code + '(coredump)'
return code, signal
"""INTERNAL: Close PIPE and print its exit status if nonzero."""
sts = f.close()
if not sts: return None
detail, reason = divmod(sts, 256)
if reason == 0: return 'exit', detail # Exit status
signal = reason&0x7F
if signal == 0x7F:
code = 'stopped'
signal = detail
else:
code = 'killed'
if reason&0x80:
code = code + '(coredump)'
return code, signal
def _system(self, cmd):
"""INTERNAL: run COMMAND in a subshell.
"""INTERNAL: run COMMAND in a subshell.
Standard input for the command is taken fron /dev/null.
Standard input for the command is taken fron /dev/null.
Raise IOError when the exit status is not zero.
Raise IOError when the exit status is not zero.
Return whatever the calling method should return; normally
None.
Return whatever the calling method should return; normally
None.
A derived class may override this method and redefine it to
capture stdout/stderr of the command and return it.
A derived class may override this method and redefine it to
capture stdout/stderr of the command and return it.
"""
cmd = cmd + " </dev/null"
sts = os.system(cmd)
if sts: raise IOError, "command exit status %d" % sts
"""
cmd = cmd + " </dev/null"
sts = os.system(cmd)
if sts: raise IOError, "command exit status %d" % sts
def _filter(self, files, pat = None):
"""INTERNAL: Return a sorted copy of the given list of FILES.
"""INTERNAL: Return a sorted copy of the given list of FILES.
If a second PATTERN argument is given, only files matching it
are kept. No check for valid filenames is made.
"""
if pat:
def keep(name, pat = pat):
return fnmatch.fnmatch(name, pat)
files = filter(keep, files)
else:
files = files[:]
files.sort()
return files
If a second PATTERN argument is given, only files matching it
are kept. No check for valid filenames is made.
"""
if pat:
def keep(name, pat = pat):
return fnmatch.fnmatch(name, pat)
files = filter(keep, files)
else:
files = files[:]
files.sort()
return files
def _remove(self, fn):
"""INTERNAL: remove FILE without complaints."""
try:
os.unlink(fn)
except os.error:
pass
"""INTERNAL: remove FILE without complaints."""
try:
os.unlink(fn)
except os.error:
pass
def _isrcs(self, name):
"""INTERNAL: Test whether NAME ends in ',v'."""
return name[-2:] == ',v'
"""INTERNAL: Test whether NAME ends in ',v'."""
return name[-2:] == ',v'

130
Demo/pysvr/pysvr.py
View file

@ -14,30 +14,30 @@ can log in on your machine. Use with caution!
import sys, os, string, getopt, thread, socket, traceback
PORT = 4000 # Default port
PORT = 4000 # Default port
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], "")
if len(args) > 1:
raise getopt.error, "Too many arguments."
opts, args = getopt.getopt(sys.argv[1:], "")
if len(args) > 1:
raise getopt.error, "Too many arguments."
except getopt.error, msg:
usage(msg)
usage(msg)
for o, a in opts:
pass
pass
if args:
try:
port = string.atoi(args[0])
except ValueError, msg:
usage(msg)
try:
port = string.atoi(args[0])
except ValueError, msg:
usage(msg)
else:
port = PORT
port = PORT
main_thread(port)
def usage(msg=None):
sys.stdout = sys.stderr
if msg:
print msg
print msg
print "\n", __doc__,
sys.exit(2)
@ -47,18 +47,18 @@ def main_thread(port):
sock.listen(5)
print "Listening on port", port, "..."
while 1:
(conn, addr) = sock.accept()
if addr[0] != conn.getsockname()[0]:
conn.close()
print "Refusing connection from non-local host", addr[0], "."
continue
thread.start_new_thread(service_thread, (conn, addr))
del conn, addr
(conn, addr) = sock.accept()
if addr[0] != conn.getsockname()[0]:
conn.close()
print "Refusing connection from non-local host", addr[0], "."
continue
thread.start_new_thread(service_thread, (conn, addr))
del conn, addr
def service_thread(conn, addr):
(caddr, cport) = addr
print "Thread %s has connection from %s.\n" % (str(thread.get_ident()),
caddr),
caddr),
stdin = conn.makefile("r")
stdout = conn.makefile("w", 0)
run_interpreter(stdin, stdout)
@ -67,57 +67,57 @@ def service_thread(conn, addr):
def run_interpreter(stdin, stdout):
globals = {}
try:
str(sys.ps1)
str(sys.ps1)
except:
sys.ps1 = ">>> "
sys.ps1 = ">>> "
source = ""
while 1:
stdout.write(sys.ps1)
line = stdin.readline()
if line[:2] == '\377\354':
line = ""
if not line and not source:
break
if line[-2:] == '\r\n':
line = line[:-2] + '\n'
source = source + line
try:
code = compile_command(source)
except SyntaxError, err:
source = ""
traceback.print_exception(SyntaxError, err, None, file=stdout)
continue
if not code:
continue
source = ""
try:
run_command(code, stdin, stdout, globals)
except SystemExit, how:
if how:
try:
how = str(how)
except:
how = ""
stdout.write("Exit %s\n" % how)
break
stdout.write(sys.ps1)
line = stdin.readline()
if line[:2] == '\377\354':
line = ""
if not line and not source:
break
if line[-2:] == '\r\n':
line = line[:-2] + '\n'
source = source + line
try:
code = compile_command(source)
except SyntaxError, err:
source = ""
traceback.print_exception(SyntaxError, err, None, file=stdout)
continue
if not code:
continue
source = ""
try:
run_command(code, stdin, stdout, globals)
except SystemExit, how:
if how:
try:
how = str(how)
except:
how = ""
stdout.write("Exit %s\n" % how)
break
stdout.write("\nGoodbye.\n")
def run_command(code, stdin, stdout, globals):
save = sys.stdin, sys.stdout, sys.stderr
try:
sys.stdout = sys.stderr = stdout
sys.stdin = stdin
try:
exec code in globals
except SystemExit, how:
raise SystemExit, how, sys.exc_info()[2]
except:
type, value, tb = sys.exc_info()
if tb: tb = tb.tb_next
traceback.print_exception(type, value, tb)
del tb
finally:
sys.stdin, sys.stdout, sys.stderr = save
save = sys.stdin, sys.stdout, sys.stderr
try:
sys.stdout = sys.stderr = stdout
sys.stdin = stdin
try:
exec code in globals
except SystemExit, how:
raise SystemExit, how, sys.exc_info()[2]
except:
type, value, tb = sys.exc_info()
if tb: tb = tb.tb_next
traceback.print_exception(type, value, tb)
del tb
finally:
sys.stdin, sys.stdout, sys.stderr = save
from code import compile_command

32
Demo/rpc/nfsclient.py
View file

@ -96,22 +96,22 @@ class NFSUnpacker(MountUnpacker):
return status, attributes
def unpack_fattr(self):
type = self.unpack_enum()
mode = self.unpack_uint()
nlink = self.unpack_uint()
uid = self.unpack_uint()
gid = self.unpack_uint()
size = self.unpack_uint()
blocksize = self.unpack_uint()
rdev = self.unpack_uint()
blocks = self.unpack_uint()
fsid = self.unpack_uint()
fileid = self.unpack_uint()
atime = self.unpack_timeval()
mtime = self.unpack_timeval()
ctime = self.unpack_timeval()
return (type, mode, nlink, uid, gid, size, blocksize, \
rdev, blocks, fsid, fileid, atime, mtime, ctime)
type = self.unpack_enum()
mode = self.unpack_uint()
nlink = self.unpack_uint()
uid = self.unpack_uint()
gid = self.unpack_uint()
size = self.unpack_uint()
blocksize = self.unpack_uint()
rdev = self.unpack_uint()
blocks = self.unpack_uint()
fsid = self.unpack_uint()
fileid = self.unpack_uint()
atime = self.unpack_timeval()
mtime = self.unpack_timeval()
ctime = self.unpack_timeval()
return (type, mode, nlink, uid, gid, size, blocksize, \
rdev, blocks, fsid, fileid, atime, mtime, ctime)
def unpack_timeval(self):
secs = self.unpack_uint()

73
Demo/scripts/ftpstats.py
View file

@ -53,44 +53,45 @@ def main():
bytype = {}
lineno = 0
try:
while 1:
line = f.readline()
if not line: break
lineno = lineno + 1
if search and string.find(line, search) < 0:
continue
if prog.match(line) < 0:
print 'Bad line', lineno, ':', `line`
continue
items = prog.group(1, 2, 3, 4, 5, 6)
logtime, loguser, loghost, logfile, logbytes, logxxx2 = items
## print logtime
## print '-->', loguser
## print '--> -->', loghost
## print '--> --> -->', logfile
## print '--> --> --> -->', logbytes
## print '--> --> --> --> -->', logxxx2
## for i in logtime, loghost, logbytes, logxxx2:
## if '!' in i: print '???', i
add(bydate, logtime[-4:] + ' ' + logtime[:6], items)
add(bytime, logtime[7:9] + ':00-59', items)
direction, logfile = logfile[0], logfile[1:]
# The real path probably starts at the last //...
while 1:
i = string.find(logfile, '//')
if i < 0: break
logfile = logfile[i+1:]
add(byfile, logfile + ' ' + direction, items)
logdir = os.path.dirname(logfile)
line = f.readline()
if not line: break
lineno = lineno + 1
if search and string.find(line, search) < 0:
continue
if prog.match(line) < 0:
print 'Bad line', lineno, ':', `line`
continue
items = prog.group(1, 2, 3, 4, 5, 6)
(logtime, loguser, loghost, logfile, logbytes,
logxxx2) = items
## print logtime
## print '-->', loguser
## print '--> -->', loghost
## print '--> --> -->', logfile
## print '--> --> --> -->', logbytes
## print '--> --> --> --> -->', logxxx2
## for i in logtime, loghost, logbytes, logxxx2:
## if '!' in i: print '???', i
add(bydate, logtime[-4:] + ' ' + logtime[:6], items)
add(bytime, logtime[7:9] + ':00-59', items)
direction, logfile = logfile[0], logfile[1:]
# The real path probably starts at the last //...
while 1:
i = string.find(logfile, '//')
if i < 0: break
logfile = logfile[i+1:]
add(byfile, logfile + ' ' + direction, items)
logdir = os.path.dirname(logfile)
## logdir = os.path.normpath(logdir) + '/.'
while 1:
add(bydir, logdir + ' ' + direction, items)
dirhead = os.path.dirname(logdir)
if dirhead == logdir: break
logdir = dirhead
add(byhost, loghost, items)
add(byuser, loguser, items)
add(bytype, direction, items)
while 1:
add(bydir, logdir + ' ' + direction, items)
dirhead = os.path.dirname(logdir)
if dirhead == logdir: break
logdir = dirhead
add(byhost, loghost, items)
add(byuser, loguser, items)
add(bytype, direction, items)
except KeyboardInterrupt:
print 'Interrupted at line', lineno
show(bytype, 'by transfer direction', maxitems)

94
Demo/scripts/newslist.py
View file

@ -96,11 +96,11 @@ sublistsize = 4
#######################################################################
for dir in os.curdir, os.environ['HOME']:
rcfile = os.path.join(dir, '.newslistrc.py')
if os.path.exists(rcfile):
print rcfile
execfile(rcfile)
break
rcfile = os.path.join(dir, '.newslistrc.py')
if os.path.exists(rcfile):
print rcfile
execfile(rcfile)
break
from nntplib import NNTP
from stat import *
@ -120,8 +120,8 @@ page = os.path.join(topdir,pagedir)
def addtotree(tree, groups):
print 'Updating tree...'
for i in groups:
parts = string.splitfields(i,'.')
makeleaf(tree, parts)
parts = string.splitfields(i,'.')
makeleaf(tree, parts)
# Makeleaf makes a leaf and the branch leading to it if necessary
def makeleaf(tree,path):
@ -135,7 +135,7 @@ def makeleaf(tree,path):
if l > 1:
makeleaf(tree[j],path[1:])
# Then the bits for outputting trees as pages ----------------
# Then the bits for outputting trees as pages ----------------
# Createpage creates an HTML file named <root>.html containing links
# to those groups beginning with <root>.
@ -177,24 +177,24 @@ def printtree(f, tree, indent, p):
if l > 1:
kl.sort()
if indent > 0:
# Create a sub-list
f.write('<LI>'+p[1:]+'\n<UL>')
# Create a sub-list
f.write('<LI>'+p[1:]+'\n<UL>')
else:
# Create a main list
f.write('<UL>')
# Create a main list
f.write('<UL>')
indent = indent + 1
for i in kl:
if i == '.':
# Output a newsgroup
f.write('<LI><A HREF="news:' + p[1:] + '">'+ p[1:] + '</A> ')
if desc.has_key(p[1:]):
f.write(' <I>'+desc[p[1:]]+'</I>\n')
else:
f.write('\n')
# Output a newsgroup
f.write('<LI><A HREF="news:' + p[1:] + '">'+ p[1:] + '</A> ')
if desc.has_key(p[1:]):
f.write(' <I>'+desc[p[1:]]+'</I>\n')
else:
f.write('\n')
else:
# Output a hierarchy
printtree(f,tree[i], indent, p+'.'+i)
# Output a hierarchy
printtree(f,tree[i], indent, p+'.'+i)
if l > 1:
f.write('\n</UL>')
@ -209,7 +209,7 @@ def readdesc(descfile):
desc = {}
if descfile == '':
return
return
try:
d = open(descfile, 'r')
@ -221,12 +221,12 @@ def readdesc(descfile):
while l != '':
bits = string.split(l)
try:
grp = bits[0]
dsc = string.join(bits[1:])
if len(dsc)>1:
desc[grp] = dsc
grp = bits[0]
dsc = string.join(bits[1:])
if len(dsc)>1:
desc[grp] = dsc
except (IndexError):
pass
pass
l = d.readline()
# Check that ouput directory exists, ------------------------------
@ -237,14 +237,14 @@ def checkopdir(pagedir):
print 'Directory '+pagedir+' does not exist.'
print 'Shall I create it for you? (y/n)'
if sys.stdin.readline()[0] == 'y':
try:
os.mkdir(pagedir,0777)
except:
print 'Sorry - failed!'
sys.exit(1)
try:
os.mkdir(pagedir,0777)
except:
print 'Sorry - failed!'
sys.exit(1)
else:
print 'OK. Exiting.'
sys.exit(1)
print 'OK. Exiting.'
sys.exit(1)
# Read and write current local tree ----------------------------------
@ -252,19 +252,19 @@ def readlocallist(treefile):
print 'Reading current local group list...'
tree = {}
try:
treetime = time.localtime(os.stat(treefile)[ST_MTIME])
treetime = time.localtime(os.stat(treefile)[ST_MTIME])
except:
print '\n*** Failed to open local group cache '+treefile
print 'If this is the first time you have run newslist, then'
print 'use the -a option to create it.'
sys.exit(1)
print '\n*** Failed to open local group cache '+treefile
print 'If this is the first time you have run newslist, then'
print 'use the -a option to create it.'
sys.exit(1)
treedate = '%02d%02d%02d' % (treetime[0] % 100 ,treetime[1], treetime[2])
try:
dump = open(treefile,'r')
tree = marshal.load(dump)
dump.close()
dump = open(treefile,'r')
tree = marshal.load(dump)
dump.close()
except (IOError):
print 'Cannot open local group list ' + treefile
print 'Cannot open local group list ' + treefile
return (tree, treedate)
def writelocallist(treefile, tree):
@ -291,9 +291,9 @@ def getallgroups(server):
for i in info:
grpname = string.split(i[0])[0]
if skipempty and string.atoi(i[1]) < string.atoi(i[2]):
print grpname+' ',
print grpname+' ',
else:
groups.append(grpname)
groups.append(grpname)
print '\n'
if skipempty:
print '(End of empty groups)'
@ -326,9 +326,9 @@ def main():
try:
print 'Connecting to '+newshost+'...'
if sys.version[0] == '0':
s = NNTP.init(newshost)
s = NNTP.init(newshost)
else:
s = NNTP(newshost)
s = NNTP(newshost)
connected = 1
except (nntplib.error_temp, nntplib.error_perm), x:
print 'Error connecting to host:', x
@ -346,7 +346,7 @@ def main():
(tree, treedate) = readlocallist(treefile)
if connected:
groups = getnewgroups(s, treedate)
groups = getnewgroups(s, treedate)
if connected:
addtotree(tree, groups)

202
Demo/sgi/gl/glstdwin/glstdwin.py
View file

@ -217,108 +217,108 @@ commands['\b'] = WC_BACKSPACE
commands['\t'] = WC_TAB
#
def getevent():
while 1:
#
# Get next event from the processed queue, if any
#
if G.queue:
event = G.queue[0]
del G.queue[0]
#print 'getevent from queue -->', event
return event
#
# Get next event from the draw queue, if any,
# but only if there is nothing in the system queue.
#
if G.drawqueue and not gl.qtest():
win = G.drawqueue[0]
del G.drawqueue[0]
gl.winset(win._gid)
gl.color(win._bg)
gl.clear()
event = WE_DRAW, win, win._area
#print 'getevent from drawqueue -->', event
return event
#
# Get next event from system queue, blocking if necessary
# until one is available.
# Some cases immediately return the event, others do nothing
# or append one or more events to the processed queue.
#
dev, val = gl.qread()
#
if dev == REDRAW:
win = G.windowmap[`val`]
old_area = win._area
win._fixviewport()
win._needredraw()
if old_area <> win._area:
#print 'getevent --> WE_SIZE'
return WE_SIZE, win, None
elif dev == KEYBD:
if val == 3:
raise KeyboardInterrupt # Control-C in window
character = chr(val)
if commands.has_key(character):
return WE_COMMAND, G.focus, commands[character]
return WE_CHAR, G.focus, character
elif dev == LEFTARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_LEFT
elif dev == RIGHTARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_RIGHT
elif dev == UPARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_UP
elif dev == DOWNARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_DOWN
elif dev in (LEFTALTKEY, RIGHTALTKEY):
if val:
for code in codelist:
gl.qdevice(code)
while 1:
#
# Get next event from the processed queue, if any
#
if G.queue:
event = G.queue[0]
del G.queue[0]
#print 'getevent from queue -->', event
return event
#
# Get next event from the draw queue, if any,
# but only if there is nothing in the system queue.
#
if G.drawqueue and not gl.qtest():
win = G.drawqueue[0]
del G.drawqueue[0]
gl.winset(win._gid)
gl.color(win._bg)
gl.clear()
event = WE_DRAW, win, win._area
#print 'getevent from drawqueue -->', event
return event
#
# Get next event from system queue, blocking if necessary
# until one is available.
# Some cases immediately return the event, others do nothing
# or append one or more events to the processed queue.
#
dev, val = gl.qread()
#
if dev == REDRAW:
win = G.windowmap[`val`]
old_area = win._area
win._fixviewport()
win._needredraw()
if old_area <> win._area:
#print 'getevent --> WE_SIZE'
return WE_SIZE, win, None
elif dev == KEYBD:
if val == 3:
raise KeyboardInterrupt # Control-C in window
character = chr(val)
if commands.has_key(character):
return WE_COMMAND, G.focus, commands[character]
return WE_CHAR, G.focus, character
elif dev == LEFTARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_LEFT
elif dev == RIGHTARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_RIGHT
elif dev == UPARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_UP
elif dev == DOWNARROWKEY:
if val:
return WE_COMMAND, G.focus, WC_DOWN
elif dev in (LEFTALTKEY, RIGHTALTKEY):
if val:
for code in codelist:
gl.qdevice(code)
else:
for code in codelist:
gl.unqdevice(code)
elif dev in codelist:
if val:
event = G.focus._doshortcut(code2key[`dev`])
if event:
return event
elif dev == LEFTMOUSE:
G.mousex = gl.getvaluator(MOUSEX)
G.mousey = gl.getvaluator(MOUSEY)
if val:
type = WE_MOUSE_DOWN
gl.qdevice(MOUSEX)
gl.qdevice(MOUSEY)
else:
type = WE_MOUSE_UP
gl.unqdevice(MOUSEX)
gl.unqdevice(MOUSEY)
return _mouseevent(type)
elif dev == MOUSEX:
G.mousex = val
return _mouseevent(WE_MOUSE_MOVE)
elif dev == MOUSEY:
G.mousey = val
return _mouseevent(WE_MOUSE_MOVE)
elif dev == RIGHTMOUSE: # Menu button press/release
if val: # Press
event = G.focus._domenu()
if event:
return event
elif dev == INPUTCHANGE:
if G.focus:
G.queue.append(WE_DEACTIVATE, G.focus, None)
G.focus = G.windowmap[`val`]
if G.focus:
G.queue.append(WE_ACTIVATE, G.focus, None)
elif dev in (WINSHUT, WINQUIT):
return WE_CLOSE, G.windowmap[`val`], None
else:
for code in codelist:
gl.unqdevice(code)
elif dev in codelist:
if val:
event = G.focus._doshortcut(code2key[`dev`])
if event:
return event
elif dev == LEFTMOUSE:
G.mousex = gl.getvaluator(MOUSEX)
G.mousey = gl.getvaluator(MOUSEY)
if val:
type = WE_MOUSE_DOWN
gl.qdevice(MOUSEX)
gl.qdevice(MOUSEY)
else:
type = WE_MOUSE_UP
gl.unqdevice(MOUSEX)
gl.unqdevice(MOUSEY)
return _mouseevent(type)
elif dev == MOUSEX:
G.mousex = val
return _mouseevent(WE_MOUSE_MOVE)
elif dev == MOUSEY:
G.mousey = val
return _mouseevent(WE_MOUSE_MOVE)
elif dev == RIGHTMOUSE: # Menu button press/release
if val: # Press
event = G.focus._domenu()
if event:
return event
elif dev == INPUTCHANGE:
if G.focus:
G.queue.append(WE_DEACTIVATE, G.focus, None)
G.focus = G.windowmap[`val`]
if G.focus:
G.queue.append(WE_ACTIVATE, G.focus, None)
elif dev in (WINSHUT, WINQUIT):
return WE_CLOSE, G.windowmap[`val`], None
else:
print '*** qread() --> dev:', dev, 'val:', val
print '*** qread() --> dev:', dev, 'val:', val
# Helper routine to construct a mouse (up, move or down) event
#

730
Demo/sgi/gl/kunst.py
View file

@ -17,37 +17,37 @@ SPOTLIGHT = 104
# Make a cylinder paralel with the Z axis with center (X,Y,0)
# and radius 1
def mkcyl(nslice, nparts, docircle):
cyl = []
step = 2.0 / float(nslice)
z = -1.0
for i in range(nslice):
cyl.append(mkslice(z, z+step, nparts, docircle))
z = z + step
return drawcylinder(cyl)
cyl = []
step = 2.0 / float(nslice)
z = -1.0
for i in range(nslice):
cyl.append(mkslice(z, z+step, nparts, docircle))
z = z + step
return drawcylinder(cyl)
#
# Make one part of a cylinder
#
def mkslice(z1, z2, nparts, docircle):
if docircle:
w1 = z1
w2 = z2
w1 = sqrt(1.0-w1*w1)
w2 = sqrt(1.0-w2*w2)
normalz = 1.0
else:
w1 = 1.0
w2 = 1.0
normalz = 0.0
slice = []
step = (2.0*pi)/float(nparts)
angle = 0.0
for i in range(nparts+1):
vx = cos(angle)
vy = sin(angle)
slice.append( ((vx*w1,vy*w1,z1), (vx*w1, vy*w1, z1*normalz)) )
slice.append( ((vx*w2,vy*w2,z2), (vx*w2, vy*w2, z2*normalz)) )
angle = angle + step
return slice
if docircle:
w1 = z1
w2 = z2
w1 = sqrt(1.0-w1*w1)
w2 = sqrt(1.0-w2*w2)
normalz = 1.0
else:
w1 = 1.0
w2 = 1.0
normalz = 0.0
slice = []
step = (2.0*pi)/float(nparts)
angle = 0.0
for i in range(nparts+1):
vx = cos(angle)
vy = sin(angle)
slice.append( ((vx*w1,vy*w1,z1), (vx*w1, vy*w1, z1*normalz)) )
slice.append( ((vx*w2,vy*w2,z2), (vx*w2, vy*w2, z2*normalz)) )
angle = angle + step
return slice
#
# Drawcylinder : draw the cylinder
#
@ -55,370 +55,370 @@ class struct: pass
curobj = struct()
curobj.curobj = 1
def drawcylinder(cyl):
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
for slice in cyl:
bgntmesh()
vnarray(slice)
endtmesh()
closeobj()
return obj
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
for slice in cyl:
bgntmesh()
vnarray(slice)
endtmesh()
closeobj()
return obj
#
def drawnormals(cyl):
for slice in cyl:
for triang in slice:
bgnline()
v3f(triang[0])
v3f(triang[0][0] + triang[1][0], triang[0][1] + triang[1][1], triang[0][2] + triang[1][2])
endline()
for slice in cyl:
for triang in slice:
bgnline()
v3f(triang[0])
v3f(triang[0][0] + triang[1][0], triang[0][1] + triang[1][1], triang[0][2] + triang[1][2])
endline()
def drawfloors():
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
bgnpolygon()
v3i(4,6,-6)
v3i(-6,6,-6)
v3i(-6,-6,-6)
v3i(4,-6,-6)
endpolygon()
for floor in range(3):
pos = -1 + 5*floor
bgnpolygon()
v3i(4,4,pos)
v3i(-6,4,pos)
v3i(-6,6,pos)
v3i(4,6,pos)
endpolygon()
bgnpolygon()
v3i(-4,4,pos)
v3i(-4,-4,pos)
v3i(-6,-4,pos)
v3i(-6,4,pos)
endpolygon()
bgnpolygon()
v3i(-6,-4,pos)
v3i(-6,-6,pos)
v3i(4,-6,pos)
v3i(4,-4,pos)
endpolygon()
closeobj()
return obj
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
bgnpolygon()
v3i(4,6,-6)
v3i(-6,6,-6)
v3i(-6,-6,-6)
v3i(4,-6,-6)
endpolygon()
for floor in range(3):
pos = -1 + 5*floor
bgnpolygon()
v3i(4,4,pos)
v3i(-6,4,pos)
v3i(-6,6,pos)
v3i(4,6,pos)
endpolygon()
bgnpolygon()
v3i(-4,4,pos)
v3i(-4,-4,pos)
v3i(-6,-4,pos)
v3i(-6,4,pos)
endpolygon()
bgnpolygon()
v3i(-6,-4,pos)
v3i(-6,-6,pos)
v3i(4,-6,pos)
v3i(4,-4,pos)
endpolygon()
closeobj()
return obj
def drawdoors():
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
for floor in range(3):
pos = -1+5*floor
bgnpolygon()
v3i(-2,6,pos)
v3i(-2,6,pos+3)
v3i(0,6,pos+3)
v3i(0,6,pos)
endpolygon()
closeobj()
return obj
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
for floor in range(3):
pos = -1+5*floor
bgnpolygon()
v3i(-2,6,pos)
v3i(-2,6,pos+3)
v3i(0,6,pos+3)
v3i(0,6,pos)
endpolygon()
closeobj()
return obj
def drawrailing():
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
for floor in range(3):
pos = -1 + 5*floor
bgnpolygon()
v3i(4,4,pos)
v3i(4,4,pos-1)
v3i(-4,4,pos-1)
v3i(-4,4,pos)
endpolygon()
bgnpolygon()
v3i(-4,4,pos)
v3i(-4,4,pos-1)
v3i(-4,-4,pos-1)
v3i(-4,-4,pos)
endpolygon()
bgnpolygon()
v3i(-4,-4,pos)
v3i(-4,-4,pos-1)
v3i(4,-4,pos-1)
v3i(4,-4,pos)
endpolygon()
closeobj()
return obj
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
for floor in range(3):
pos = -1 + 5*floor
bgnpolygon()
v3i(4,4,pos)
v3i(4,4,pos-1)
v3i(-4,4,pos-1)
v3i(-4,4,pos)
endpolygon()
bgnpolygon()
v3i(-4,4,pos)
v3i(-4,4,pos-1)
v3i(-4,-4,pos-1)
v3i(-4,-4,pos)
endpolygon()
bgnpolygon()
v3i(-4,-4,pos)
v3i(-4,-4,pos-1)
v3i(4,-4,pos-1)
v3i(4,-4,pos)
endpolygon()
closeobj()
return obj
def drawwalls():
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
bgnpolygon()
v3i(4,6,-6)
v3i(4,6,18)
v3i(-6,6,18)
v3i(-6,6,-6)
endpolygon()
bgnpolygon()
v3i(-6,6,-6)
v3i(-6,6,18)
v3i(-6,-6,18)
v3i(-6,-6,-6)
endpolygon()
bgnpolygon()
v3i(-6,-6,-6)
v3i(-6,-6,18)
v3i(4,-6,18)
v3i(4,-6,-6)
endpolygon()
bgnpolygon()
v3i(4,-6,-6)
v3i(4,-6,18)
v3i(4,4,18)
v3i(4,4,-6)
endpolygon()
closeobj()
return obj
obj = curobj.curobj
curobj.curobj = curobj.curobj+1
makeobj(obj)
bgnpolygon()
v3i(4,6,-6)
v3i(4,6,18)
v3i(-6,6,18)
v3i(-6,6,-6)
endpolygon()
bgnpolygon()
v3i(-6,6,-6)
v3i(-6,6,18)
v3i(-6,-6,18)
v3i(-6,-6,-6)
endpolygon()
bgnpolygon()
v3i(-6,-6,-6)
v3i(-6,-6,18)
v3i(4,-6,18)
v3i(4,-6,-6)
endpolygon()
bgnpolygon()
v3i(4,-6,-6)
v3i(4,-6,18)
v3i(4,4,18)
v3i(4,4,-6)
endpolygon()
closeobj()
return obj
def axis():
bgnline()
cpack(0xff0000)
v3i(-1,0,0)
v3i(1,0,0)
v3f(1.0, 0.1, 0.1)
endline()
bgnline()
cpack(0xff00)
v3i(0,-1,0)
v3i(0,1,0)
v3f(0.1, 1.0, 0.1)
endline()
bgnline()
cpack(0xff)
v3i(0,0,-1)
v3i(0,0,1)
v3f(0.1,0.1,1.0)
endline()
bgnline()
cpack(0xff0000)
v3i(-1,0,0)
v3i(1,0,0)
v3f(1.0, 0.1, 0.1)
endline()
bgnline()
cpack(0xff00)
v3i(0,-1,0)
v3i(0,1,0)
v3f(0.1, 1.0, 0.1)
endline()
bgnline()
cpack(0xff)
v3i(0,0,-1)
v3i(0,0,1)
v3f(0.1,0.1,1.0)
endline()
#
green_velvet = [ DIFFUSE, 0.05, 0.4, 0.05, LMNULL]
silver = [ DIFFUSE, 0.3, 0.3, 0.3, SPECULAR, 0.9, 0.9, 0.95, \
SHININESS, 40.0, LMNULL]
SHININESS, 40.0, LMNULL]
floormat = [ AMBIENT, 0.5, 0.25, 0.15, DIFFUSE, 0.5, 0.25, 0.15, SPECULAR, 0.6, 0.3, 0.2, SHININESS, 20.0, LMNULL]
wallmat = [ DIFFUSE, 0.4, 0.2, 0.1, AMBIENT, 0.4, 0.20, 0.10, SPECULAR, 0.0, 0.0, 0.0, SHININESS, 20.0, LMNULL]
offwhite = [ DIFFUSE, 0.8, 0.8, 0.6, AMBIENT, 0.8, 0.8, 0.6, SPECULAR, 0.9, 0.9, 0.9, SHININESS, 30.0, LMNULL]
doormat = [ DIFFUSE, 0.1, 0.2, 0.5, AMBIENT, 0.2, 0.4, 1.0, SPECULAR, 0.2, 0.4, 1.0, SHININESS, 60.0, LMNULL]
toplight = [ LCOLOR, 1.0, 1.0, 0.5, \
POSITION, 0.0, 0.0, 11.0, 1.0, LMNULL]
POSITION, 0.0, 0.0, 11.0, 1.0, LMNULL]
floor1light = [ LCOLOR, 1.0, 1.0, 1.0, POSITION, 3.9, -3.9, 0.0, 1.0, \
SPOTDIRECTION, 1.0, 1.0, 0.0, SPOTLIGHT, 10.0, 90.0, LMNULL]
SPOTDIRECTION, 1.0, 1.0, 0.0, SPOTLIGHT, 10.0, 90.0, LMNULL]
lmodel = [ AMBIENT, 0.92, 0.8, 0.5, LOCALVIEWER, 1.0, LMNULL]
#
def lighting():
lmdef(DEFMATERIAL, 1, green_velvet)
lmdef(DEFMATERIAL, 2, silver)
lmdef(DEFMATERIAL, 3, floormat)
lmdef(DEFMATERIAL, 4, wallmat)
lmdef(DEFMATERIAL, 5, offwhite)
lmdef(DEFMATERIAL, 6, doormat)
lmdef(DEFLIGHT, 1, toplight)
lmdef(DEFLIGHT, 2, floor1light)
lmdef(DEFLMODEL, 1, lmodel)
lmbind(MATERIAL, 1)
lmbind(LIGHT0, 1)
lmbind(LIGHT1, 2)
lmbind(LMODEL, 1)
lmdef(DEFMATERIAL, 1, green_velvet)
lmdef(DEFMATERIAL, 2, silver)
lmdef(DEFMATERIAL, 3, floormat)
lmdef(DEFMATERIAL, 4, wallmat)
lmdef(DEFMATERIAL, 5, offwhite)
lmdef(DEFMATERIAL, 6, doormat)
lmdef(DEFLIGHT, 1, toplight)
lmdef(DEFLIGHT, 2, floor1light)
lmdef(DEFLMODEL, 1, lmodel)
lmbind(MATERIAL, 1)
lmbind(LIGHT0, 1)
lmbind(LIGHT1, 2)
lmbind(LMODEL, 1)
IdMat=[1.0,0.0,0.0,0.0, 0.0,1.0,0.0,0.0, 0.0,0.0,1.0,0.0, 0.0,0.0,0.0,1.0]
#
def defun(axis):
done = 0
while not done:
print 'F'+axis+'(t) = ',
s = sys.stdin.readline(100)
print
try:
s = 'def f'+axis+'(t): return '+s
exec(s, main_dict)
done = 1
except RuntimeError:
print 'Sorry, there is a syntax error in your expression'
done = 0
while not done:
print 'F'+axis+'(t) = ',
s = sys.stdin.readline(100)
print
try:
s = 'def f'+axis+'(t): return '+s
exec(s, main_dict)
done = 1
except RuntimeError:
print 'Sorry, there is a syntax error in your expression'
def getfunctions():
print 'Welcome to the CWI art simulator. You can now enter X, Y and Z'
print 'coordinates as a function of t.'
print 'Normal trig functions are available. Please use floating point'
print 'values only (so 0.0 for 0). Comments to jack@cwi.nl'
defun('x')
defun('y')
defun('z')
print 'Ok, here you go. Use mouse+right button to move up/down,'
print 'mouse+middle to speed up/slow down time. type ESC to quit simulation'
print 'Welcome to the CWI art simulator. You can now enter X, Y and Z'
print 'coordinates as a function of t.'
print 'Normal trig functions are available. Please use floating point'
print 'values only (so 0.0 for 0). Comments to jack@cwi.nl'
defun('x')
defun('y')
defun('z')
print 'Ok, here you go. Use mouse+right button to move up/down,'
print 'mouse+middle to speed up/slow down time. type ESC to quit simulation'
def main():
getfunctions()
foreground()
prefposition(100,600,100,600)
void = winopen('cyl')
qdevice(ESCKEY)
qdevice(MOUSE1)
qdevice(MOUSE2)
qdevice(PKEY)
RGBmode()
doublebuffer()
gconfig()
zbuffer(1)
mmode(MVIEWING)
perspective(400, 1.0, 1.0, 20.0)
loadmatrix(IdMat)
vx = 0.0
vy = -6.0
vz = 0.0
lookat(0.0, -6.0, 0.0, 0.0, 0.0, 0.0, 0)
lighting()
t = -1.0
step = 1.0
bol = mkcyl(12,24, 1)
cable = mkcyl(1, 6, 0)
floors = drawfloors()
walls = drawwalls()
pillar = mkcyl(1,4,0)
railing = drawrailing()
doors = drawdoors()
shademodel(GOURAUD)
mousing = -1
pausing = 0
while 1:
#
# Check for some user input
#
if qtest():
dev, value = qread()
if dev == PKEY and value == 1:
pausing = 1
if dev == ESCKEY:
break
elif (dev==MOUSE1 or dev==MOUSE2) and value == 1:
if mousing > 0:
vx = 0.0
vy = -6.0
vz = 0.0
mousing = dev
oldx = getvaluator(MOUSEX)
oldy = getvaluator(MOUSEY)
elif (dev==MOUSE1 or dev==MOUSE2):
mousing = -1
if mousing >= 0:
newx = getvaluator(MOUSEX)
newy = getvaluator(MOUSEY)
if newy <> oldy and mousing==MOUSE1:
vz = vz + float(newy - oldy)/100.0
dist = sqrt(vx*vx + vy*vy + vz*vz)
perspective(400, 1.0, 1.0, dist+16.0)
loadmatrix(IdMat)
if vz < 0.0:
lookat(vx, vy, vz, 0.0, 0.0, 0.0, 1800)
else:
lookat(vx, vy, vz, 0.0, 0.0, 0.0, 0)
if newy <> oldy and mousing==MOUSE2:
step = step * exp(float(newy-oldy)/400.0)
if getbutton(CTRLKEY) == 0:
t = t + step
else:
t = t - step
if getbutton(LEFTSHIFTKEY) == 0:
shademodel(GOURAUD)
else:
shademodel(FLAT)
#
# Draw background and axis
cpack(0x105090)
clear()
zclear()
cpack(0x905010)
axis()
#
# Draw object
#
bolx = fx(t)
boly = fy(t)
bolz = fz(t)
err = ''
if bolx < -4.0 or bolx > 4.0:
err = 'X('+`bolx`+') out of range [-4,4]'
if boly < -4.0 or boly > 4.0:
err = 'Y('+`boly`+') out of range [-4,4]'
if bolz < -4.0 or bolz > 8.0:
err = 'Z('+`bolz`+') out of range [-4,8]'
if not err:
pushmatrix()
translate(bolx, boly, bolz)
scale(0.3, 0.3, 0.3)
lmbind(MATERIAL, 2)
callobj(bol)
popmatrix()
#
# Draw the cables
#
bolz = bolz + 0.3
pushmatrix()
linesmooth(SML_ON)
bgnline()
v3i(-4,-4,9)
v3f(bolx, boly, bolz)
endline()
bgnline()
v3i(-4,4,9)
v3f(bolx, boly, bolz)
endline()
bgnline()
v3i(4,-4,9)
v3f(bolx, boly, bolz)
endline()
bgnline()
v3i(4,4,9)
v3f(bolx, boly, bolz)
endline()
popmatrix()
#
# draw the floors
#
lmbind(MATERIAL, 3)
callobj(floors)
lmbind(MATERIAL, 4)
callobj(walls)
lmbind(MATERIAL, 5)
pushmatrix()
translate(-4.5,4.5,3.0)
scale(0.2,0.2,9.0)
rotate(450,'z')
callobj(pillar)
popmatrix()
callobj(railing)
lmbind(MATERIAL, 6)
pushmatrix()
translate(0.0, -0.01, 0.0)
callobj(doors)
popmatrix()
if mousing == MOUSE2 or err:
cpack(0xff0000)
cmov(0.0, 0.0, 0.4)
charstr('t='+`t`)
if mousing == MOUSE2:
cpack(0xff0000)
cmov(0.0, 0.0, 0.2)
charstr('delta-t='+`step`)
if err:
cpack(0xff00)
cmov(0.0, 0.0, 0.2)
print err
charstr(err)
pausing = 1
if pausing:
cpack(0xff00)
cmov(0.0, 0.0, 0.0)
charstr('Pausing, type P to continue')
swapbuffers()
if pausing:
while 1:
dv=qread()
if dv==(PKEY,1):
break
if dv==(ESCKEY,1):
sys.exit(0)
pausing = 0
getfunctions()
foreground()
prefposition(100,600,100,600)
void = winopen('cyl')
qdevice(ESCKEY)
qdevice(MOUSE1)
qdevice(MOUSE2)
qdevice(PKEY)
RGBmode()
doublebuffer()
gconfig()
zbuffer(1)
mmode(MVIEWING)
perspective(400, 1.0, 1.0, 20.0)
loadmatrix(IdMat)
vx = 0.0
vy = -6.0
vz = 0.0
lookat(0.0, -6.0, 0.0, 0.0, 0.0, 0.0, 0)
lighting()
t = -1.0
step = 1.0
bol = mkcyl(12,24, 1)
cable = mkcyl(1, 6, 0)
floors = drawfloors()
walls = drawwalls()
pillar = mkcyl(1,4,0)
railing = drawrailing()
doors = drawdoors()
shademodel(GOURAUD)
mousing = -1
pausing = 0
while 1:
#
# Check for some user input
#
if qtest():
dev, value = qread()
if dev == PKEY and value == 1:
pausing = 1
if dev == ESCKEY:
break
elif (dev==MOUSE1 or dev==MOUSE2) and value == 1:
if mousing > 0:
vx = 0.0
vy = -6.0
vz = 0.0
mousing = dev
oldx = getvaluator(MOUSEX)
oldy = getvaluator(MOUSEY)
elif (dev==MOUSE1 or dev==MOUSE2):
mousing = -1
if mousing >= 0:
newx = getvaluator(MOUSEX)
newy = getvaluator(MOUSEY)
if newy <> oldy and mousing==MOUSE1:
vz = vz + float(newy - oldy)/100.0
dist = sqrt(vx*vx + vy*vy + vz*vz)
perspective(400, 1.0, 1.0, dist+16.0)
loadmatrix(IdMat)
if vz < 0.0:
lookat(vx, vy, vz, 0.0, 0.0, 0.0, 1800)
else:
lookat(vx, vy, vz, 0.0, 0.0, 0.0, 0)
if newy <> oldy and mousing==MOUSE2:
step = step * exp(float(newy-oldy)/400.0)
if getbutton(CTRLKEY) == 0:
t = t + step
else:
t = t - step
if getbutton(LEFTSHIFTKEY) == 0:
shademodel(GOURAUD)
else:
shademodel(FLAT)
#
# Draw background and axis
cpack(0x105090)
clear()
zclear()
cpack(0x905010)
axis()
#
# Draw object
#
bolx = fx(t)
boly = fy(t)
bolz = fz(t)
err = ''
if bolx < -4.0 or bolx > 4.0:
err = 'X('+`bolx`+') out of range [-4,4]'
if boly < -4.0 or boly > 4.0:
err = 'Y('+`boly`+') out of range [-4,4]'
if bolz < -4.0 or bolz > 8.0:
err = 'Z('+`bolz`+') out of range [-4,8]'
if not err:
pushmatrix()
translate(bolx, boly, bolz)
scale(0.3, 0.3, 0.3)
lmbind(MATERIAL, 2)
callobj(bol)
popmatrix()
#
# Draw the cables
#
bolz = bolz + 0.3
pushmatrix()
linesmooth(SML_ON)
bgnline()
v3i(-4,-4,9)
v3f(bolx, boly, bolz)
endline()
bgnline()
v3i(-4,4,9)
v3f(bolx, boly, bolz)
endline()
bgnline()
v3i(4,-4,9)
v3f(bolx, boly, bolz)
endline()
bgnline()
v3i(4,4,9)
v3f(bolx, boly, bolz)
endline()
popmatrix()
#
# draw the floors
#
lmbind(MATERIAL, 3)
callobj(floors)
lmbind(MATERIAL, 4)
callobj(walls)
lmbind(MATERIAL, 5)
pushmatrix()
translate(-4.5,4.5,3.0)
scale(0.2,0.2,9.0)
rotate(450,'z')
callobj(pillar)
popmatrix()
callobj(railing)
lmbind(MATERIAL, 6)
pushmatrix()
translate(0.0, -0.01, 0.0)
callobj(doors)
popmatrix()
if mousing == MOUSE2 or err:
cpack(0xff0000)
cmov(0.0, 0.0, 0.4)
charstr('t='+`t`)
if mousing == MOUSE2:
cpack(0xff0000)
cmov(0.0, 0.0, 0.2)
charstr('delta-t='+`step`)
if err:
cpack(0xff00)
cmov(0.0, 0.0, 0.2)
print err
charstr(err)
pausing = 1
if pausing:
cpack(0xff00)
cmov(0.0, 0.0, 0.0)
charstr('Pausing, type P to continue')
swapbuffers()
if pausing:
while 1:
dv=qread()
if dv==(PKEY,1):
break
if dv==(ESCKEY,1):
sys.exit(0)
pausing = 0
#
try:
main()

20
Demo/threads/sync.py
View file

@ -474,16 +474,16 @@ class mrsw:
self.rwOK.release()
def write_to_read(self):
self.rwOK.acquire()
if not self.writing:
raise ValueError, \
'.write_to_read() invoked without an active writer'
self.writing = 0
self.nw = self.nw - 1
self.nr = self.nr + 1
if not self.nw:
self.readOK.broadcast()
self.rwOK.release()
self.rwOK.acquire()
if not self.writing:
raise ValueError, \
'.write_to_read() invoked without an active writer'
self.writing = 0
self.nw = self.nw - 1
self.nr = self.nr + 1
if not self.nw:
self.readOK.broadcast()
self.rwOK.release()
# The rest of the file is a test case, that runs a number of parallelized
# quicksorts in parallel. If it works, you'll get about 600 lines of

70
Demo/zlib/minigzip.py
View file

@ -31,64 +31,64 @@ input=open(filename) ; output=open(outputname, 'w')
if compressing:
output.write('\037\213\010') # Write the header, ...
output.write(chr(FNAME)) # ... flag byte ...
output.write(chr(FNAME)) # ... flag byte ...
import os # ... modification time ...
import os # ... modification time ...
statval=os.stat(filename)
mtime=statval[8]
write32(output, mtime)
output.write('\002') # ... slowest compression alg. ...
output.write('\377') # ... OS (=unknown) ...
output.write(filename+'\000') # ... original filename ...
output.write('\002') # ... slowest compression alg. ...
output.write('\377') # ... OS (=unknown) ...
output.write(filename+'\000') # ... original filename ...
crcval=zlib.crc32("")
compobj=zlib.compressobj(9, zlib.DEFLATED, -zlib.MAX_WBITS,
zlib.DEF_MEM_LEVEL, 0)
zlib.DEF_MEM_LEVEL, 0)
while (1):
data=input.read(1024)
if data=="": break
crcval=zlib.crc32(data, crcval)
output.write(compobj.compress(data))
data=input.read(1024)
if data=="": break
crcval=zlib.crc32(data, crcval)
output.write(compobj.compress(data))
output.write(compobj.flush())
write32(output, crcval) # ... the CRC ...
write32(output, statval[6]) # and the file size.
write32(output, crcval) # ... the CRC ...
write32(output, statval[6]) # and the file size.
else:
magic=input.read(2)
if magic!='\037\213':
print 'Not a gzipped file' ; sys.exit(0)
print 'Not a gzipped file' ; sys.exit(0)
if ord(input.read(1))!=8:
print 'Unknown compression method' ; sys.exit(0)
print 'Unknown compression method' ; sys.exit(0)
flag=ord(input.read(1))
input.read(4+1+1) # Discard modification time,
# extra flags, and OS byte.
input.read(4+1+1) # Discard modification time,
# extra flags, and OS byte.
if flag & FEXTRA:
# Read & discard the extra field, if present
xlen=ord(input.read(1))
xlen=xlen+256*ord(input.read(1))
input.read(xlen)
# Read & discard the extra field, if present
xlen=ord(input.read(1))
xlen=xlen+256*ord(input.read(1))
input.read(xlen)
if flag & FNAME:
# Read and discard a null-terminated string containing the filename
while (1):
s=input.read(1)
if s=='\000': break
# Read and discard a null-terminated string containing the filename
while (1):
s=input.read(1)
if s=='\000': break
if flag & FCOMMENT:
# Read and discard a null-terminated string containing a comment
while (1):
s=input.read(1)
if s=='\000': break
# Read and discard a null-terminated string containing a comment
while (1):
s=input.read(1)
if s=='\000': break
if flag & FHCRC:
input.read(2) # Read & discard the 16-bit header CRC
input.read(2) # Read & discard the 16-bit header CRC
decompobj=zlib.decompressobj(-zlib.MAX_WBITS)
crcval=zlib.crc32("")
length=0
while (1):
data=input.read(1024)
if data=="": break
decompdata=decompobj.decompress(data)
print len(decompdata)
output.write(decompdata) ; length=length+len(decompdata)
crcval=zlib.crc32(decompdata, crcval)
data=input.read(1024)
if data=="": break
decompdata=decompobj.decompress(data)
print len(decompdata)
output.write(decompdata) ; length=length+len(decompdata)
crcval=zlib.crc32(decompdata, crcval)
decompdata=decompobj.flush()
output.write(decompdata) ; length=length+len(decompdata)
crcval=zlib.crc32(decompdata, crcval)